Merge bk://kernel.bkbits.net/gregkh/linux/i2c-2.6

into home.osdl.org:/home/torvalds/v2.5/linux

60 files changed, 252 insertions, 253 deletions

diff --git a/include/asm-alpha/processor.h b/include/asm-alpha/processor.h
index fe03e7309686..3c750a362c44 100644
--- a/include/asm-alpha/processor.h
+++ b/include/asm-alpha/processor.h
@@ -78,6 +78,11 @@ unsigned long get_wchan(struct task_struct *p);
 #define ARCH_HAS_PREFETCHW
 #define ARCH_HAS_SPINLOCK_PREFETCH
 
+#ifndef CONFIG_SMP
+/* Nothing to prefetch. */
+#define spin_lock_prefetch(lock)  	do { } while (0)
+#endif
+
 #if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 1)
 extern inline void prefetch(const void *ptr)  
 { 
@@ -89,10 +94,13 @@ extern inline void prefetchw(const void *ptr)
 	__builtin_prefetch(ptr, 1, 3);
 }
 
+#ifdef CONFIG_SMP
 extern inline void spin_lock_prefetch(const void *ptr)  
 {
 	__builtin_prefetch(ptr, 1, 3);
 }
+#endif
+
 #else
 extern inline void prefetch(const void *ptr)  
 { 
@@ -104,10 +112,13 @@ extern inline void prefetchw(const void *ptr)
 	__asm__ ("ldq $31,%0" : : "m"(*(char *)ptr)); 
 }
 
+#ifdef CONFIG_SMP
 extern inline void spin_lock_prefetch(const void *ptr)  
 {
 	__asm__ ("ldq $31,%0" : : "m"(*(char *)ptr)); 
 }
+#endif
+
 #endif /* GCC 3.1 */
 
 #endif /* __ASM_ALPHA_PROCESSOR_H */
diff --git a/include/asm-alpha/topology.h b/include/asm-alpha/topology.h
index 742b68802fd0..dbdb0d4f90e1 100644
--- a/include/asm-alpha/topology.h
+++ b/include/asm-alpha/topology.h
@@ -16,8 +16,7 @@ static inline int cpu_to_node(int cpu)
 	node = alpha_mv.cpuid_to_nid(cpu);
 
 #ifdef DEBUG_NUMA
-	if (node < 0)
-		BUG();
+	BUG_ON(node < 0);
 #endif
 
 	return node;
diff --git a/include/asm-arm/arch-ebsa285/io.h b/include/asm-arm/arch-ebsa285/io.h
index aac50402bc1b..8511b2ce534f 100644
--- a/include/asm-arm/arch-ebsa285/io.h
+++ b/include/asm-arm/arch-ebsa285/io.h
@@ -27,15 +27,13 @@
 
 static inline unsigned long ___mem_pci(unsigned long a)
 {
-	if (a <= 0xc0000000 || a >= 0xe0000000)
-		BUG();
+	BUG_ON(a <= 0xc0000000 || a >= 0xe0000000);
 	return a;
 }
 
 static inline unsigned long ___mem_isa(unsigned long a)
 {
-	if (a >= 16*1048576)
-		BUG();
+	BUG_ON(a >= 16*1048576);
 	return PCIMEM_BASE + a;
 }
 #define __mem_pci(a)		___mem_pci((unsigned long)(a))
diff --git a/include/asm-arm/arch-nexuspci/io.h b/include/asm-arm/arch-nexuspci/io.h
index 8afa61e6acba..181bdb5988df 100644
--- a/include/asm-arm/arch-nexuspci/io.h
+++ b/include/asm-arm/arch-nexuspci/io.h
@@ -28,8 +28,7 @@ static inline unsigned long ___mem_pci(unsigned long a)
 
 static inline unsigned long ___mem_isa(unsigned long a)
 {
-	if (a >= 16*1048576)
-		BUG();
+	BUG_ON(a >= 16*1048576);
 	return PCIMEM_BASE + a;
 }
 #define __mem_pci(a)		___mem_pci((unsigned long)(a))
diff --git a/include/asm-i386/genapic.h b/include/asm-i386/genapic.h
index 76465ccbbdf8..7a165f27c880 100644
--- a/include/asm-i386/genapic.h
+++ b/include/asm-i386/genapic.h
@@ -45,6 +45,7 @@ struct genapic {
 	void (*setup_portio_remap)(void); 
 	int (*check_phys_apicid_present)(int boot_cpu_physical_apicid);
 	void (*enable_apic_mode)(void);
+	u32 (*phys_pkg_id)(u32 cpuid_apic, int index_msb);
 
 	/* mpparse */
 	void (*mpc_oem_bus_info)(struct mpc_config_bus *, char *, 
@@ -105,6 +106,7 @@ struct genapic {
 	APICFUNC(send_IPI_allbutself), \
 	APICFUNC(send_IPI_all), \
 	APICFUNC(enable_apic_mode), \
+	APICFUNC(phys_pkg_id), \
 	}
 
 extern struct genapic *genapic;
diff --git a/include/asm-i386/hpet.h b/include/asm-i386/hpet.h
index ffc472ff5418..9382e160c46d 100644
--- a/include/asm-i386/hpet.h
+++ b/include/asm-i386/hpet.h
@@ -54,14 +54,10 @@
 #define HPET_T2_CMP	0x148
 #define HPET_T2_ROUTE	0x150
 
-#define HPET_ID_VENDOR	0xffff0000
 #define HPET_ID_LEGSUP	0x00008000
 #define HPET_ID_NUMBER	0x00001f00
 #define HPET_ID_REV	0x000000ff
 
-#define HPET_ID_VENDOR_SHIFT	16
-#define HPET_ID_VENDOR_8086	0x8086
-
 #define HPET_CFG_ENABLE	0x001
 #define HPET_CFG_LEGACY	0x002
 
diff --git a/include/asm-i386/mach-bigsmp/mach_apic.h b/include/asm-i386/mach-bigsmp/mach_apic.h
index 0e9855144660..12980e389c65 100644
--- a/include/asm-i386/mach-bigsmp/mach_apic.h
+++ b/include/asm-i386/mach-bigsmp/mach_apic.h
@@ -173,4 +173,9 @@ static inline unsigned int cpu_mask_to_apicid(cpumask_const_t cpumask)
 	return apicid;
 }
 
+static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb)
+{
+	return cpuid_apic >> index_msb;
+}
+
 #endif /* __ASM_MACH_APIC_H */
diff --git a/include/asm-i386/mach-default/mach_apic.h b/include/asm-i386/mach-default/mach_apic.h
index 1d427aadfa41..5111b015f710 100644
--- a/include/asm-i386/mach-default/mach_apic.h
+++ b/include/asm-i386/mach-default/mach_apic.h
@@ -127,4 +127,9 @@ static inline void enable_apic_mode(void)
 {
 }
 
+static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb)
+{
+	return cpuid_apic >> index_msb;
+}
+
 #endif /* __ASM_MACH_APIC_H */
diff --git a/include/asm-i386/mach-es7000/mach_apic.h b/include/asm-i386/mach-es7000/mach_apic.h
index e15b73c7e113..72e87d081af6 100644
--- a/include/asm-i386/mach-es7000/mach_apic.h
+++ b/include/asm-i386/mach-es7000/mach_apic.h
@@ -192,4 +192,9 @@ static inline unsigned int cpu_mask_to_apicid(cpumask_const_t cpumask)
 	return apicid;
 }
 
+static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb)
+{
+	return cpuid_apic >> index_msb;
+}
+
 #endif /* __ASM_MACH_APIC_H */
diff --git a/include/asm-i386/mach-generic/mach_apic.h b/include/asm-i386/mach-generic/mach_apic.h
index 21f0e75f1b25..ed349c793beb 100644
--- a/include/asm-i386/mach-generic/mach_apic.h
+++ b/include/asm-i386/mach-generic/mach_apic.h
@@ -27,5 +27,6 @@
 #define check_apicid_used (genapic->check_apicid_used)
 #define cpu_mask_to_apicid (genapic->cpu_mask_to_apicid)
 #define enable_apic_mode (genapic->enable_apic_mode)
+#define phys_pkg_id (genapic->phys_pkg_id)
 
 #endif /* __ASM_MACH_APIC_H */
diff --git a/include/asm-i386/mach-numaq/mach_apic.h b/include/asm-i386/mach-numaq/mach_apic.h
index 814ee9aa2521..743bb69aa275 100644
--- a/include/asm-i386/mach-numaq/mach_apic.h
+++ b/include/asm-i386/mach-numaq/mach_apic.h
@@ -141,4 +141,10 @@ static inline unsigned int cpu_mask_to_apicid(cpumask_const_t cpumask)
 	return (int) 0xF;
 }
 
+/* No NUMA-Q box has a HT CPU, but it can't hurt to use the default code. */
+static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb)
+{
+	return cpuid_apic >> index_msb;
+}
+
 #endif /* __ASM_MACH_APIC_H */
diff --git a/include/asm-i386/mach-summit/mach_apic.h b/include/asm-i386/mach-summit/mach_apic.h
index a10b4591737e..accca8fcc970 100644
--- a/include/asm-i386/mach-summit/mach_apic.h
+++ b/include/asm-i386/mach-summit/mach_apic.h
@@ -173,4 +173,15 @@ static inline unsigned int cpu_mask_to_apicid(cpumask_const_t cpumask)
 	return apicid;
 }
 
+/* cpuid returns the value latched in the HW at reset, not the APIC ID
+ * register's value.  For any box whose BIOS changes APIC IDs, like
+ * clustered APIC systems, we must use hard_smp_processor_id.
+ *
+ * See Intel's IA-32 SW Dev's Manual Vol2 under CPUID.
+ */
+static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb)
+{
+	return hard_smp_processor_id() >> index_msb;
+}
+
 #endif /* __ASM_MACH_APIC_H */
diff --git a/include/asm-i386/mach-visws/mach_apic.h b/include/asm-i386/mach-visws/mach_apic.h
index 9a0208496458..3ec402a3a96a 100644
--- a/include/asm-i386/mach-visws/mach_apic.h
+++ b/include/asm-i386/mach-visws/mach_apic.h
@@ -88,4 +88,10 @@ static inline unsigned int cpu_mask_to_apicid(cpumask_const_t cpumask)
 {
 	return cpus_coerce_const(cpumask);
 }
+
+static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb)
+{
+	return cpuid_apic >> index_msb;
+}
+
 #endif /* __ASM_MACH_APIC_H */
diff --git a/include/asm-mips/dma-mapping.h b/include/asm-mips/dma-mapping.h
index 7b6254324cc9..d72e991e4a2b 100644
--- a/include/asm-mips/dma-mapping.h
+++ b/include/asm-mips/dma-mapping.h
@@ -124,8 +124,7 @@ dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries,
 	for (i = 0; i < nhwentries; i++, sg++) {
 		unsigned long addr;
 
-		if (!sg->page)
-			BUG();
+		BUG_ON(!sg->page);
 
 		addr = (unsigned long) page_address(sg->page);
 		if (addr)
@@ -139,8 +138,7 @@ dma_sync_single(struct device *dev, dma_addr_t dma_handle, size_t size,
 {
 	unsigned long addr;
  
-	if (direction == DMA_NONE)
-		BUG();
+	BUG_ON(direction == DMA_NONE);
  
 	addr = baddr_to_bus(hwdev->bus, dma_handle) + PAGE_OFFSET;
 	dma_cache_wback_inv(addr, size);
@@ -153,8 +151,7 @@ dma_sync_single_range(struct device *dev, dma_addr_t dma_handle,
 {
 	unsigned long addr;
 
-	if (direction == DMA_NONE)
-		BUG();
+	BUG_ON(direction == DMA_NONE);
 
 	addr = baddr_to_bus(hwdev->bus, dma_handle) + PAGE_OFFSET;
 	dma_cache_wback_inv(addr, size);
@@ -168,8 +165,7 @@ dma_sync_sg(struct device *dev, struct scatterlist *sg, int nelems,
 	int i;
 #endif
  
-	if (direction == DMA_NONE)
-		BUG();
+	BUG_ON(direction == DMA_NONE);
  
 	/* Make sure that gcc doesn't leave the empty loop body.  */
 #ifdef CONFIG_NONCOHERENT_IO
diff --git a/include/asm-mips/pci.h b/include/asm-mips/pci.h
index 56e01db6f45d..cd96c958408f 100644
--- a/include/asm-mips/pci.h
+++ b/include/asm-mips/pci.h
@@ -113,8 +113,7 @@ static inline void pci_dac_dma_sync_single(struct pci_dev *pdev,
 {
 	unsigned long addr;
 
-	if (direction == PCI_DMA_NONE)
-		BUG();
+	BUG_ON(direction == PCI_DMA_NONE);
 
 	addr = baddr_to_bus(pdev->bus, dma_addr) + PAGE_OFFSET;
 	dma_cache_wback_inv(addr, len);
diff --git a/include/asm-parisc/mmu_context.h b/include/asm-parisc/mmu_context.h
index 6327156282f2..9c05836239a2 100644
--- a/include/asm-parisc/mmu_context.h
+++ b/include/asm-parisc/mmu_context.h
@@ -19,8 +19,7 @@ extern void free_sid(unsigned long);
 static inline int
 init_new_context(struct task_struct *tsk, struct mm_struct *mm)
 {
-	if (atomic_read(&mm->mm_users) != 1)
-	    BUG();
+	BUG_ON(atomic_read(&mm->mm_users) != 1);
 
 	mm->context = alloc_sid();
 	return 0;
@@ -64,7 +63,7 @@ static inline void activate_mm(struct mm_struct *prev, struct mm_struct *next)
 	 * already, so we should be OK.
 	 */
 
-	if (next == &init_mm) BUG(); /* Should never happen */
+	BUG_ON(next == &init_mm); /* Should never happen */
 
 	if (next->context == 0)
 	    next->context = alloc_sid();
diff --git a/include/asm-parisc/tlbflush.h b/include/asm-parisc/tlbflush.h
index a5b731f654cb..86ba2c7ec6f3 100644
--- a/include/asm-parisc/tlbflush.h
+++ b/include/asm-parisc/tlbflush.h
@@ -27,7 +27,7 @@ extern void flush_tlb_all(void);
 
 static inline void flush_tlb_mm(struct mm_struct *mm)
 {
-	if (mm == &init_mm) BUG(); /* Should never happen */
+	BUG_ON(mm == &init_mm); /* Should never happen */
 
 #ifdef CONFIG_SMP
 	flush_tlb_all();
diff --git a/include/asm-ppc/highmem.h b/include/asm-ppc/highmem.h
index c13b4e495519..ca057b43a2ee 100644
--- a/include/asm-ppc/highmem.h
+++ b/include/asm-ppc/highmem.h
@@ -63,8 +63,7 @@ static inline void *kmap(struct page *page)
 
 static inline void kunmap(struct page *page)
 {
-	if (in_interrupt())
-		BUG();
+	BUG_ON(in_interrupt());
 	if (page < highmem_start_page)
 		return;
 	kunmap_high(page);
@@ -89,8 +88,7 @@ static inline void *kmap_atomic(struct page *page, enum km_type type)
 	idx = type + KM_TYPE_NR*smp_processor_id();
 	vaddr = KMAP_FIX_BEGIN + idx * PAGE_SIZE;
 #if HIGHMEM_DEBUG
-	if (!pte_none(*(kmap_pte+idx)))
-		BUG();
+	BUG_ON(!pte_none(*(kmap_pte+idx)));
 #endif
 	set_pte(kmap_pte+idx, mk_pte(page, kmap_prot));
 	flush_tlb_page(0, vaddr);
@@ -110,8 +108,7 @@ static inline void kunmap_atomic(void *kvaddr, enum km_type type)
 		return;
 	}
 
-	if (vaddr != KMAP_FIX_BEGIN + idx * PAGE_SIZE)
-		BUG();
+	BUG_ON(vaddr != KMAP_FIX_BEGIN + idx * PAGE_SIZE);
 
 	/*
 	 * force other mappings to Oops if they'll try to access
diff --git a/include/asm-ppc/pci.h b/include/asm-ppc/pci.h
index 763765257bfc..5dad69a5ee61 100644
--- a/include/asm-ppc/pci.h
+++ b/include/asm-ppc/pci.h
@@ -105,8 +105,7 @@ static inline dma_addr_t pci_map_single(struct pci_dev *hwdev, void *ptr,
 static inline void pci_unmap_single(struct pci_dev *hwdev, dma_addr_t dma_addr,
 				    size_t size, int direction)
 {
-	if (direction == PCI_DMA_NONE)
-		BUG();
+	BUG_ON(direction == PCI_DMA_NONE);
 	/* nothing to do */
 }
 
@@ -134,8 +133,7 @@ static inline dma_addr_t pci_map_page(struct pci_dev *hwdev, struct page *page,
 static inline void pci_unmap_page(struct pci_dev *hwdev, dma_addr_t dma_address,
 				  size_t size, int direction)
 {
-	if (direction == PCI_DMA_NONE)
-		BUG();
+	BUG_ON(direction == PCI_DMA_NONE);
 	/* Nothing to do */
 }
 
@@ -159,8 +157,7 @@ static inline int pci_map_sg(struct pci_dev *hwdev, struct scatterlist *sg,
 {
 	int i;
 
-	if (direction == PCI_DMA_NONE)
-		BUG();
+	BUG_ON(direction == PCI_DMA_NONE);
 
 	/*
 	 * temporary 2.4 hack
diff --git a/include/asm-ppc64/pci.h b/include/asm-ppc64/pci.h
index 5c3515a500a9..305ca8cd8235 100644
--- a/include/asm-ppc64/pci.h
+++ b/include/asm-ppc64/pci.h
@@ -65,8 +65,7 @@ static inline void pci_dma_sync_single(struct pci_dev *hwdev,
 				       dma_addr_t dma_handle,
 				       size_t size, int direction)
 {
-	if (direction == PCI_DMA_NONE)
-		BUG();
+	BUG_ON(direction == PCI_DMA_NONE);
 	/* nothing to do */
 }
 
@@ -74,8 +73,7 @@ static inline void pci_dma_sync_sg(struct pci_dev *hwdev,
 				   struct scatterlist *sg,
 				   int nelems, int direction)
 {
-	if (direction == PCI_DMA_NONE)
-		BUG();
+	BUG_ON(direction == PCI_DMA_NONE);
 	/* nothing to do */
 }
 
diff --git a/include/asm-ppc64/topology.h b/include/asm-ppc64/topology.h
index 9be503f666f9..a41ca6cba882 100644
--- a/include/asm-ppc64/topology.h
+++ b/include/asm-ppc64/topology.h
@@ -13,8 +13,7 @@ static inline int cpu_to_node(int cpu)
 	node = numa_cpu_lookup_table[cpu];
 
 #ifdef DEBUG_NUMA
-	if (node == -1)
-		BUG();
+	BUG_ON(node == -1);
 #endif
 
 	return node;
diff --git a/include/asm-s390/idals.h b/include/asm-s390/idals.h
index 64c783f9b7f2..890bc145f9dd 100644
--- a/include/asm-s390/idals.h
+++ b/include/asm-s390/idals.h
@@ -223,8 +223,7 @@ idal_buffer_to_user(struct idal_buffer *ib, void *to, size_t count)
 	size_t left;
 	int i;
 
-	if (count > ib->size)
-		BUG();
+	BUG_ON(count > ib->size);
 	for (i = 0; count > IDA_BLOCK_SIZE; i++) {
 		left = copy_to_user(to, ib->data[i], IDA_BLOCK_SIZE);
 		if (left)
@@ -244,8 +243,7 @@ idal_buffer_from_user(struct idal_buffer *ib, const void *from, size_t count)
 	size_t left;
 	int i;
 
-	if (count > ib->size)
-		BUG();
+	BUG_ON(count > ib->size);
 	for (i = 0; count > IDA_BLOCK_SIZE; i++) {
 		left = copy_from_user(ib->data[i], from, IDA_BLOCK_SIZE);
 		if (left)
diff --git a/include/asm-sh/spinlock.h b/include/asm-sh/spinlock.h
index c0adea380ac7..9930f93b1f14 100644
--- a/include/asm-sh/spinlock.h
+++ b/include/asm-sh/spinlock.h
@@ -48,8 +48,7 @@ static inline void _raw_spin_lock(spinlock_t *lock)
 static inline void _raw_spin_unlock(spinlock_t *lock)
 {
 #ifdef CONFIG_DEBUG_SPINLOCK
-	if (!spin_is_locked(lock))
-		BUG();
+	BUG_ON(!spin_is_locked(lock));
 #endif
 
 	lock->lock = 0;
diff --git a/include/asm-sparc64/floppy.h b/include/asm-sparc64/floppy.h
index 8beed5df56b3..1bc43aaa49eb 100644
--- a/include/asm-sparc64/floppy.h
+++ b/include/asm-sparc64/floppy.h
@@ -320,10 +320,9 @@ static void sun_pci_fd_lde_broken_outb(unsigned char val, unsigned long port)
 
 static void sun_pci_fd_enable_dma(void)
 {
-	if ((NULL == sun_pci_dma_pending.buf) 	||
+	BUG_ON((NULL == sun_pci_dma_pending.buf) 	||
 	    (0	  == sun_pci_dma_pending.len) 	||
-	    (0	  == sun_pci_dma_pending.direction))
-		BUG();
+	    (0	  == sun_pci_dma_pending.direction));
 
 	sun_pci_dma_current.buf = sun_pci_dma_pending.buf;
 	sun_pci_dma_current.len = sun_pci_dma_pending.len;
diff --git a/include/asm-sparc64/tlbflush.h b/include/asm-sparc64/tlbflush.h
index 982829f3dc16..8c70fdd037b6 100644
--- a/include/asm-sparc64/tlbflush.h
+++ b/include/asm-sparc64/tlbflush.h
@@ -90,10 +90,9 @@ static __inline__ void flush_tlb_pgtables(struct mm_struct *mm, unsigned long st
 {
 	/* Note the signed type.  */
 	long s = start, e = end, vpte_base;
-	if (s > e)
 		/* Nobody should call us with start below VM hole and end above.
 		   See if it is really true.  */
-		BUG();
+	BUG_ON(s > e);
 #if 0
 	/* Currently free_pgtables guarantees this.  */
 	s &= PMD_MASK;
diff --git a/include/asm-x86_64/pgalloc.h b/include/asm-x86_64/pgalloc.h
index e15895c99a4e..bebcaab3375c 100644
--- a/include/asm-x86_64/pgalloc.h
+++ b/include/asm-x86_64/pgalloc.h
@@ -24,8 +24,7 @@ extern __inline__ pmd_t *get_pmd(void)
 
 extern __inline__ void pmd_free(pmd_t *pmd)
 {
-	if ((unsigned long)pmd & (PAGE_SIZE-1)) 
-		BUG(); 
+	BUG_ON((unsigned long)pmd & (PAGE_SIZE-1));
 	free_page((unsigned long)pmd);
 }
 
@@ -41,8 +40,7 @@ static inline pgd_t *pgd_alloc (struct mm_struct *mm)
 
 static inline void pgd_free (pgd_t *pgd)
 {
-	if ((unsigned long)pgd & (PAGE_SIZE-1)) 
-		BUG(); 
+	BUG_ON((unsigned long)pgd & (PAGE_SIZE-1));
 	free_page((unsigned long)pgd);
 }
 
@@ -64,8 +62,7 @@ static inline struct page *pte_alloc_one(struct mm_struct *mm, unsigned long add
 
 extern __inline__ void pte_free_kernel(pte_t *pte)
 {
-	if ((unsigned long)pte & (PAGE_SIZE-1))
-		BUG();
+	BUG_ON((unsigned long)pte & (PAGE_SIZE-1));
 	free_page((unsigned long)pte); 
 }
 
diff --git a/include/asm-x86_64/spinlock.h b/include/asm-x86_64/spinlock.h
index ae3615feecdb..c341097c7106 100644
--- a/include/asm-x86_64/spinlock.h
+++ b/include/asm-x86_64/spinlock.h
@@ -70,10 +70,8 @@ typedef struct {
 static inline void _raw_spin_unlock(spinlock_t *lock)
 {
 #ifdef CONFIG_DEBUG_SPINLOCK
-	if (lock->magic != SPINLOCK_MAGIC)
-		BUG();
-	if (!spin_is_locked(lock))
-		BUG();
+	BUG_ON(lock->magic != SPINLOCK_MAGIC);
+	BUG_ON(!spin_is_locked(lock));
 #endif
 	__asm__ __volatile__(
 		spin_unlock_string
@@ -91,10 +89,8 @@ static inline void _raw_spin_unlock(spinlock_t *lock)
 {
 	char oldval = 1;
 #ifdef CONFIG_DEBUG_SPINLOCK
-	if (lock->magic != SPINLOCK_MAGIC)
-		BUG();
-	if (!spin_is_locked(lock))
-		BUG();
+	BUG_ON(lock->magic != SPINLOCK_MAGIC);
+	BUG_ON(!spin_is_locked(lock));
 #endif
 	__asm__ __volatile__(
 		spin_unlock_string
@@ -174,8 +170,7 @@ typedef struct {
 static inline void _raw_read_lock(rwlock_t *rw)
 {
 #ifdef CONFIG_DEBUG_SPINLOCK
-	if (rw->magic != RWLOCK_MAGIC)
-		BUG();
+	BUG_ON(rw->magic != RWLOCK_MAGIC);
 #endif
 	__build_read_lock(rw, "__read_lock_failed");
 }
@@ -183,8 +178,7 @@ static inline void _raw_read_lock(rwlock_t *rw)
 static inline void _raw_write_lock(rwlock_t *rw)
 {
 #ifdef CONFIG_DEBUG_SPINLOCK
-	if (rw->magic != RWLOCK_MAGIC)
-		BUG();
+	BUG_ON(rw->magic != RWLOCK_MAGIC);
 #endif
 	__build_write_lock(rw, "__write_lock_failed");
 }
diff --git a/include/linux/bio.h b/include/linux/bio.h
index 4f090059372e..d3b4e9ed4052 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -266,8 +266,7 @@ extern inline char *bvec_kmap_irq(struct bio_vec *bvec, unsigned long *flags)
 	local_irq_save(*flags);
 	addr = (unsigned long) kmap_atomic(bvec->bv_page, KM_BIO_SRC_IRQ);
 
-	if (addr & ~PAGE_MASK)
-		BUG();
+	BUG_ON(addr & ~PAGE_MASK);
 
 	return (char *) addr + bvec->bv_offset;
 }
diff --git a/include/linux/bitmap.h b/include/linux/bitmap.h
index 74b89ea0aae5..b84caaebed87 100644
--- a/include/linux/bitmap.h
+++ b/include/linux/bitmap.h
@@ -10,57 +10,11 @@
 #include <linux/bitops.h>
 #include <linux/string.h>
 
-static inline int bitmap_empty(const unsigned long *bitmap, int bits)
-{
-	int k, lim = bits/BITS_PER_LONG;
-	for (k = 0; k < lim; ++k)
-		if (bitmap[k])
-			return 0;
-
-	if (bits % BITS_PER_LONG)
-		if (bitmap[k] & ((1UL << (bits % BITS_PER_LONG)) - 1))
-			return 0;
-
-	return 1;
-}
-
-static inline int bitmap_full(const unsigned long *bitmap, int bits)
-{
-	int k, lim = bits/BITS_PER_LONG;
-	for (k = 0; k < lim; ++k)
-		if (~bitmap[k])
-			return 0;
-
-	if (bits % BITS_PER_LONG)
-		if (~bitmap[k] & ((1UL << (bits % BITS_PER_LONG)) - 1))
-			return 0;
-
-	return 1;
-}
-
-static inline int bitmap_equal(const unsigned long *bitmap1,
-				unsigned long *bitmap2, int bits)
-{
-	int k, lim = bits/BITS_PER_LONG;;
-	for (k = 0; k < lim; ++k)
-		if (bitmap1[k] != bitmap2[k])
-			return 0;
-
-	if (bits % BITS_PER_LONG)
-		if ((bitmap1[k] ^ bitmap2[k]) &
-				((1UL << (bits % BITS_PER_LONG)) - 1))
-			return 0;
-
-	return 1;
-}
-
-static inline void bitmap_complement(unsigned long *bitmap, int bits)
-{
-	int k;
-
-	for (k = 0; k < BITS_TO_LONGS(bits); ++k)
-		bitmap[k] = ~bitmap[k];
-}
+int bitmap_empty(const unsigned long *bitmap, int bits);
+int bitmap_full(const unsigned long *bitmap, int bits);
+int bitmap_equal(const unsigned long *bitmap1,
+			unsigned long *bitmap2, int bits);
+void bitmap_complement(unsigned long *bitmap, int bits);
 
 static inline void bitmap_clear(unsigned long *bitmap, int bits)
 {
@@ -78,81 +32,15 @@ static inline void bitmap_copy(unsigned long *dst,
 	memcpy(dst, src, BITS_TO_LONGS(bits)*sizeof(unsigned long));
 }
 
-static inline void bitmap_shift_right(unsigned long *dst,
-				const unsigned long *src, int shift, int bits)
-{
-	int k;
-	DECLARE_BITMAP(__shr_tmp, bits);
-
-	bitmap_clear(__shr_tmp, bits);
-	for (k = 0; k < bits - shift; ++k)
-		if (test_bit(k + shift, src))
-			set_bit(k, __shr_tmp);
-	bitmap_copy(dst, __shr_tmp, bits);
-}
-
-static inline void bitmap_shift_left(unsigned long *dst,
-				const unsigned long *src, int shift, int bits)
-{
-	int k;
-	DECLARE_BITMAP(__shl_tmp, bits);
-
-	bitmap_clear(__shl_tmp, bits);
-	for (k = bits; k >= shift; --k)
-		if (test_bit(k - shift, src))
-			set_bit(k, __shl_tmp);
-	bitmap_copy(dst, __shl_tmp, bits);
-}
-
-static inline void bitmap_and(unsigned long *dst, const unsigned long *bitmap1,
-				const unsigned long *bitmap2, int bits)
-{
-	int k;
-	int nr = BITS_TO_LONGS(bits);
-
-	for (k = 0; k < nr; k++)
-		dst[k] = bitmap1[k] & bitmap2[k];
-}
-
-static inline void bitmap_or(unsigned long *dst, const unsigned long *bitmap1,
-				const unsigned long *bitmap2, int bits)
-{
-	int k;
-	int nr = BITS_TO_LONGS(bits);
-
-	for (k = 0; k < nr; k++)
-		dst[k] = bitmap1[k] | bitmap2[k];
-}
-
-#if BITS_PER_LONG == 32
-static inline int bitmap_weight(const unsigned long *bitmap, int bits)
-{
-	int k, w = 0, lim = bits/BITS_PER_LONG;
-
-	for (k = 0; k < lim; k++)
-		w += hweight32(bitmap[k]);
-
-	if (bits % BITS_PER_LONG)
-		w += hweight32(bitmap[k] &
-				((1UL << (bits % BITS_PER_LONG)) - 1));
-
-	return w;
-}
-#else
-static inline int bitmap_weight(const unsigned long *bitmap, int bits)
-{
-	int k, w = 0, lim = bits/BITS_PER_LONG;
-
-	for (k = 0; k < lim; k++)
-		w += hweight64(bitmap[k]);
-
-	if (bits % BITS_PER_LONG)
-		w += hweight64(bitmap[k] &
-				((1UL << (bits % BITS_PER_LONG)) - 1));
-
-	return w;
-}
-#endif
+void bitmap_shift_right(unsigned long *dst,
+			const unsigned long *src, int shift, int bits);
+void bitmap_shift_left(unsigned long *dst,
+			const unsigned long *src, int shift, int bits);
+void bitmap_and(unsigned long *dst, const unsigned long *bitmap1,
+			const unsigned long *bitmap2, int bits);
+void bitmap_or(unsigned long *dst, const unsigned long *bitmap1,
+			const unsigned long *bitmap2, int bits);
+int bitmap_weight(const unsigned long *bitmap, int bits);
 
 #endif /* __ASSEMBLY__ */
 
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index a1c5cd076331..80b4c47842b8 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -483,9 +483,9 @@ static inline void blk_queue_bounce(request_queue_t *q, struct bio **bio)
 }
 #endif /* CONFIG_MMU */
 
-#define rq_for_each_bio(bio, rq)	\
+#define rq_for_each_bio(_bio, rq)	\
 	if ((rq->bio))			\
-		for (bio = (rq)->bio; bio; bio = bio->bi_next)
+		for (_bio = (rq)->bio; _bio; _bio = bio->bi_next)
 
 struct sec_size {
 	unsigned block_size;
diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h
index 5f4b675a7bb4..110584f07883 100644
--- a/include/linux/buffer_head.h
+++ b/include/linux/buffer_head.h
@@ -125,8 +125,7 @@ BUFFER_FNS(Write_EIO,write_io_error)
 /* If we *know* page->private refers to buffer_heads */
 #define page_buffers(page)					\
 	({							\
-		if (!PagePrivate(page))				\
-			BUG();					\
+		BUG_ON(!PagePrivate(page));		\
 		((struct buffer_head *)(page)->private);	\
 	})
 #define page_has_buffers(page)	PagePrivate(page)
diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index 6bd0570d3a1c..6b2ea8fecf06 100644
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -270,8 +270,7 @@ extern char * d_path(struct dentry *, struct vfsmount *, char *, int);
 static inline struct dentry *dget(struct dentry *dentry)
 {
 	if (dentry) {
-		if (!atomic_read(&dentry->d_count))
-			BUG();
+		BUG_ON(!atomic_read(&dentry->d_count));
 		atomic_inc(&dentry->d_count);
 	}
 	return dentry;
diff --git a/include/linux/device.h b/include/linux/device.h
index 8f008e19b83f..367b21888ad4 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -46,6 +46,7 @@ struct device;
 struct device_driver;
 struct class;
 struct class_device;
+struct class_simple;
 
 struct bus_type {
 	char			* name;
@@ -155,6 +156,7 @@ struct class {
 			   int num_envp, char *buffer, int buffer_size);
 
 	void	(*release)(struct class_device *dev);
+	void	(*class_release)(struct class *class);
 };
 
 extern int class_register(struct class *);
@@ -246,6 +248,13 @@ struct class_interface {
 extern int class_interface_register(struct class_interface *);
 extern void class_interface_unregister(struct class_interface *);
 
+/* interface for class simple stuff */
+extern struct class_simple *class_simple_create(struct module *owner, char *name);
+extern void class_simple_destroy(struct class_simple *cs);
+extern struct class_device *class_simple_device_add(struct class_simple *cs, dev_t dev, struct device *device, const char *fmt, ...)
+	__attribute__((format(printf,4,5)));
+extern void class_simple_device_remove(dev_t dev);
+
 
 struct device {
 	struct list_head node;		/* node in sibling list */
@@ -354,6 +363,7 @@ extern int (*platform_notify_remove)(struct device * dev);
  */
 extern struct device * get_device(struct device * dev);
 extern void put_device(struct device * dev);
+extern struct device *device_find(const char *name, struct bus_type *bus);
 
 
 /* drivers/base/platform.c */
diff --git a/include/linux/efi.h b/include/linux/efi.h
index 86e9d2ebb5eb..a1764b1fb106 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -297,14 +297,22 @@ extern u64 efi_mem_attributes (unsigned long phys_addr);
 extern void efi_initialize_iomem_resources(struct resource *code_resource,
 					struct resource *data_resource);
 extern efi_status_t phys_efi_get_time(efi_time_t *tm, efi_time_cap_t *tc);
-extern unsigned long inline __init efi_get_time(void);
-extern int inline __init efi_set_rtc_mmss(unsigned long nowtime);
+extern inline unsigned long __init efi_get_time(void);
+extern inline int __init efi_set_rtc_mmss(unsigned long nowtime);
 extern struct efi_memory_map memmap;
 
+/*
+ * We play games with efi_enabled so that the compiler will, if possible, remove
+ * EFI-related code altogether.
+ */
 #ifdef CONFIG_EFI
-extern int efi_enabled;
+# ifdef CONFIG_X86
+   extern int efi_enabled;
+# else
+#  define efi_enabled 1
+# endif
 #else
-#define efi_enabled 0
+# define efi_enabled 0
 #endif
 
 /*
diff --git a/include/linux/ext2_fs_sb.h b/include/linux/ext2_fs_sb.h
index 13178c16c7ea..4eda0ed76a48 100644
--- a/include/linux/ext2_fs_sb.h
+++ b/include/linux/ext2_fs_sb.h
@@ -45,6 +45,7 @@ struct ext2_sb_info {
 	int s_desc_per_block_bits;
 	int s_inode_size;
 	int s_first_ino;
+	spinlock_t s_next_gen_lock;
 	u32 s_next_generation;
 	unsigned long s_dir_count;
 	u8 *s_debts;
diff --git a/include/linux/ext3_fs_sb.h b/include/linux/ext3_fs_sb.h
index e9b4012cc776..590fd69ec045 100644
--- a/include/linux/ext3_fs_sb.h
+++ b/include/linux/ext3_fs_sb.h
@@ -49,6 +49,7 @@ struct ext3_sb_info {
 	int s_desc_per_block_bits;
 	int s_inode_size;
 	int s_first_ino;
+	spinlock_t s_next_gen_lock;
 	u32 s_next_generation;
 	u32 s_hash_seed[4];
 	int s_def_hash_version;
diff --git a/include/linux/ext3_jbd.h b/include/linux/ext3_jbd.h
index 50caf6875ba4..a3555b48cccb 100644
--- a/include/linux/ext3_jbd.h
+++ b/include/linux/ext3_jbd.h
@@ -221,13 +221,24 @@ static inline int ext3_should_journal_data(struct inode *inode)
 
 static inline int ext3_should_order_data(struct inode *inode)
 {
-	return (test_opt(inode->i_sb, DATA_FLAGS) == EXT3_MOUNT_ORDERED_DATA);
+	if (!S_ISREG(inode->i_mode))
+		return 0;
+	if (EXT3_I(inode)->i_flags & EXT3_JOURNAL_DATA_FL)
+		return 0;
+	if (test_opt(inode->i_sb, DATA_FLAGS) == EXT3_MOUNT_ORDERED_DATA)
+		return 1;
+	return 0;
 }
 
 static inline int ext3_should_writeback_data(struct inode *inode)
 {
-	return !ext3_should_journal_data(inode) &&
-			!ext3_should_order_data(inode);
+	if (!S_ISREG(inode->i_mode))
+		return 0;
+	if (EXT3_I(inode)->i_flags & EXT3_JOURNAL_DATA_FL)
+		return 0;
+	if (test_opt(inode->i_sb, DATA_FLAGS) == EXT3_MOUNT_WRITEBACK_DATA)
+		return 1;
+	return 0;
 }
 
 #endif	/* _LINUX_EXT3_JBD_H */
diff --git a/include/linux/fs.h b/include/linux/fs.h
index fd3c87c86d6f..7d9154665d9b 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -353,6 +353,13 @@ struct block_device {
 	int			bd_invalidated;
 	struct gendisk *	bd_disk;
 	struct list_head	bd_list;
+	/*
+	 * Private data.  You must have bd_claim'ed the block_device
+	 * to use this.  NOTE:  bd_claim allows an owner to claim
+	 * the same device multiple times, the owner must take special
+	 * care to not mess up bd_private for that case.
+	 */
+	unsigned long		bd_private;
 };
 
 /*
diff --git a/include/linux/highmem.h b/include/linux/highmem.h
index 2c9139a94f8f..232d8fdb557c 100644
--- a/include/linux/highmem.h
+++ b/include/linux/highmem.h
@@ -56,8 +56,7 @@ static inline void memclear_highpage_flush(struct page *page, unsigned int offse
 {
 	void *kaddr;
 
-	if (offset + size > PAGE_SIZE)
-		BUG();
+	BUG_ON(offset + size > PAGE_SIZE);
 
 	kaddr = kmap_atomic(page, KM_USER0);
 	memset((char *)kaddr + offset, 0, size);
diff --git a/include/linux/input.h b/include/linux/input.h
index eff36f445c25..4cb08d4fbd5e 100644
--- a/include/linux/input.h
+++ b/include/linux/input.h
@@ -809,6 +809,7 @@ struct input_dev {
 	int (*erase_effect)(struct input_dev *dev, int effect_id);
 
 	struct input_handle *grab;
+	struct device *dev;
 
 	struct list_head	h_list;
 	struct list_head	node;
@@ -921,7 +922,7 @@ void input_event(struct input_dev *dev, unsigned int type, unsigned int code, in
 #define input_regs(a,b)		do { (a)->regs = (b); } while (0)
 #define input_sync(a)		do { input_event(a, EV_SYN, SYN_REPORT, 0); (a)->regs = NULL; } while (0)
 
-extern struct class input_class;
+extern struct class_simple *input_class;
 
 #endif
 #endif
diff --git a/include/linux/kobject.h b/include/linux/kobject.h
index 42174b623637..2b127488d33e 100644
--- a/include/linux/kobject.h
+++ b/include/linux/kobject.h
@@ -56,6 +56,7 @@ extern void kobject_unregister(struct kobject *);
 extern struct kobject * kobject_get(struct kobject *);
 extern void kobject_put(struct kobject *);
 
+extern void kobject_hotplug(const char *action, struct kobject *);
 
 struct kobj_type {
 	void (*release)(struct kobject *);
diff --git a/include/linux/miscdevice.h b/include/linux/miscdevice.h
index 6b7f9c1fa5cd..98f61665d4c2 100644
--- a/include/linux/miscdevice.h
+++ b/include/linux/miscdevice.h
@@ -36,12 +36,15 @@
 
 #define TUN_MINOR	     200
 
+struct device;
+
 struct miscdevice 
 {
 	int minor;
 	const char *name;
 	struct file_operations *fops;
 	struct list_head list;
+	struct device *dev;
 	char devfs_name[64];
 };
 
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 881091514f01..3ecd3d633c5f 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -223,7 +223,6 @@ struct page {
 		atomic_dec_and_test(&(p)->count);	\
 	})
 
-#define page_count(p)		atomic_read(&(p)->count)
 #define set_page_count(p,v) 	atomic_set(&(p)->count, v)
 #define __put_page(p)		atomic_dec(&(p)->count)
 
@@ -231,6 +230,13 @@ extern void FASTCALL(__page_cache_release(struct page *));
 
 #ifdef CONFIG_HUGETLB_PAGE
 
+static inline int page_count(struct page *p)
+{
+	if (PageCompound(p))
+		p = (struct page *)p->lru.next;
+	return atomic_read(&(p)->count);
+}
+
 static inline void get_page(struct page *page)
 {
 	if (PageCompound(page))
@@ -257,6 +263,8 @@ static inline void put_page(struct page *page)
 
 #else		/* CONFIG_HUGETLB_PAGE */
 
+#define page_count(p)		atomic_read(&(p)->count)
+
 static inline void get_page(struct page *page)
 {
 	atomic_inc(&page->count);
@@ -322,23 +330,33 @@ static inline void put_page(struct page *page)
 /*
  * The zone field is never updated after free_area_init_core()
  * sets it, so none of the operations on it need to be atomic.
- * We'll have up to log2(MAX_NUMNODES * MAX_NR_ZONES) zones
- * total, so we use NODES_SHIFT here to get enough bits.
+ * We'll have up to (MAX_NUMNODES * MAX_NR_ZONES) zones total,
+ * so we use (MAX_NODES_SHIFT + MAX_ZONES_SHIFT) here to get enough bits.
  */
-#define ZONE_SHIFT (BITS_PER_LONG - NODES_SHIFT - MAX_NR_ZONES_SHIFT)
+#define NODEZONE_SHIFT (BITS_PER_LONG - MAX_NODES_SHIFT - MAX_ZONES_SHIFT)
+#define NODEZONE(node, zone)	((node << ZONES_SHIFT) | zone)
+
+static inline unsigned long page_zonenum(struct page *page)
+{
+	return (page->flags >> NODEZONE_SHIFT) & (~(~0UL << ZONES_SHIFT));
+}
+static inline unsigned long page_nodenum(struct page *page)
+{
+	return (page->flags >> (NODEZONE_SHIFT + ZONES_SHIFT));
+}
 
 struct zone;
 extern struct zone *zone_table[];
 
 static inline struct zone *page_zone(struct page *page)
 {
-	return zone_table[page->flags >> ZONE_SHIFT];
+	return zone_table[page->flags >> NODEZONE_SHIFT];
 }
 
-static inline void set_page_zone(struct page *page, unsigned long zone_num)
+static inline void set_page_zone(struct page *page, unsigned long nodezone_num)
 {
-	page->flags &= ~(~0UL << ZONE_SHIFT);
-	page->flags |= zone_num << ZONE_SHIFT;
+	page->flags &= ~(~0UL << NODEZONE_SHIFT);
+	page->flags |= nodezone_num << NODEZONE_SHIFT;
 }
 
 #ifndef CONFIG_DISCONTIGMEM
@@ -624,5 +642,33 @@ kernel_map_pages(struct page *page, int numpages, int enable)
 }
 #endif
 
+#ifndef CONFIG_ARCH_GATE_AREA
+#ifdef AT_SYSINFO_EHDR
+static inline int in_gate_area(struct task_struct *task, unsigned long addr)
+{
+	if ((addr >= FIXADDR_USER_START) && (addr < FIXADDR_USER_END))
+		return 1;
+	else
+		return 0;
+}
+
+extern struct vm_area_struct gate_vma;
+static inline struct vm_area_struct *get_gate_vma(struct task_struct *tsk)
+{
+	return &gate_vma;
+}
+#else
+static inline int in_gate_area(struct task_struct *task, unsigned long addr)
+{
+	return 0;
+}
+
+static inline struct vm_area_struct *get_gate_vma(struct task_struct *tsk)
+{
+	return NULL;
+}
+#endif
+#endif
+
 #endif /* __KERNEL__ */
 #endif /* _LINUX_MM_H */
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index a089e01dad03..66cbaa36d878 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -160,12 +160,19 @@ struct zone {
 #define ZONE_NORMAL		1
 #define ZONE_HIGHMEM		2
 
-#define MAX_NR_ZONES		3	/* Sync this with MAX_NR_ZONES_SHIFT */
-#define MAX_NR_ZONES_SHIFT	2	/* ceil(log2(MAX_NR_ZONES)) */
+#define MAX_NR_ZONES		3	/* Sync this with ZONES_SHIFT */
+#define ZONES_SHIFT		2	/* ceil(log2(MAX_NR_ZONES)) */
 
 #define GFP_ZONEMASK	0x03
 
 /*
+ * The "priority" of VM scanning is how much of the queues we will scan in one
+ * go. A value of 12 for DEF_PRIORITY implies that we will scan 1/4096th of the
+ * queues ("queue_length >> 12") during an aging round.
+ */
+#define DEF_PRIORITY 12
+
+/*
  * One allocation request operates on a zonelist. A zonelist
  * is a list of zones, the first one is the 'goal' of the
  * allocation, the other zones are fallback zones, in decreasing
@@ -303,7 +310,7 @@ int min_free_kbytes_sysctl_handler(struct ctl_table *, int, struct file *,
 extern struct pglist_data contig_page_data;
 #define NODE_DATA(nid)		(&contig_page_data)
 #define NODE_MEM_MAP(nid)	mem_map
-#define MAX_NODES_SHIFT		0
+#define MAX_NODES_SHIFT		1
 
 #else /* CONFIG_DISCONTIGMEM */
 
@@ -311,7 +318,7 @@ extern struct pglist_data contig_page_data;
 
 #if BITS_PER_LONG == 32
 /*
- * with 32 bit flags field, page->zone is currently 8 bits.
+ * with 32 bit page->flags field, we reserve 8 bits for node/zone info.
  * there are 3 zones (2 bits) and this leaves 8-2=6 bits for nodes.
  */
 #define MAX_NODES_SHIFT		6
@@ -328,6 +335,13 @@ extern struct pglist_data contig_page_data;
 #error NODES_SHIFT > MAX_NODES_SHIFT
 #endif
 
+/* There are currently 3 zones: DMA, Normal & Highmem, thus we need 2 bits */
+#define MAX_ZONES_SHIFT		2
+
+#if ZONES_SHIFT > MAX_ZONES_SHIFT
+#error ZONES_SHIFT > MAX_ZONES_SHIFT
+#endif
+
 extern DECLARE_BITMAP(node_online_map, MAX_NUMNODES);
 extern DECLARE_BITMAP(memblk_online_map, MAX_NR_MEMBLKS);
 
diff --git a/include/linux/module.h b/include/linux/module.h
index 13ff244afdbf..c0418e47a296 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -60,6 +60,7 @@ search_extable(const struct exception_table_entry *first,
 #define __module_cat(a,b) ___module_cat(a,b)
 #define __MODULE_INFO(tag, name, info)					  \
 static const char __module_cat(name,__LINE__)[]				  \
+  __attribute_used__							  \
   __attribute__((section(".modinfo"),unused)) = __stringify(tag) "=" info
 
 #define MODULE_GENERIC_TABLE(gtype,name)			\
@@ -142,6 +143,7 @@ void *__symbol_get_gpl(const char *symbol);
 #define __CRC_SYMBOL(sym, sec)					\
 	extern void *__crc_##sym __attribute__((weak));		\
 	static const unsigned long __kcrctab_##sym		\
+	__attribute_used__					\
 	__attribute__((section("__kcrctab" sec), unused))	\
 	= (unsigned long) &__crc_##sym;
 #else
@@ -155,6 +157,7 @@ void *__symbol_get_gpl(const char *symbol);
 	__attribute__((section("__ksymtab_strings")))		\
 	= MODULE_SYMBOL_PREFIX #sym;                    	\
 	static const struct kernel_symbol __ksymtab_##sym	\
+	__attribute_used__					\
 	__attribute__((section("__ksymtab" sec), unused))	\
 	= { (unsigned long)&sym, __kstrtab_##sym }
 
diff --git a/include/linux/moduleparam.h b/include/linux/moduleparam.h
index 0a5becbed774..cbca00722b5c 100644
--- a/include/linux/moduleparam.h
+++ b/include/linux/moduleparam.h
@@ -52,6 +52,7 @@ struct kparam_array
 #define __module_param_call(prefix, name, set, get, arg, perm)		\
 	static char __param_str_##name[] __initdata = prefix #name;	\
 	static struct kernel_param const __param_##name			\
+	__attribute_used__						\
     __attribute__ ((unused,__section__ ("__param"),aligned(sizeof(void *)))) \
 	= { __param_str_##name, perm, set, get, arg }
 
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 666d89f875f5..cfdeaaad2b7e 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -831,7 +831,7 @@ static inline void netif_rx_complete(struct net_device *dev)
 	unsigned long flags;
 
 	local_irq_save(flags);
-	if (!test_bit(__LINK_STATE_RX_SCHED, &dev->state)) BUG();
+	BUG_ON(!test_bit(__LINK_STATE_RX_SCHED, &dev->state));
 	list_del(&dev->poll_list);
 	smp_mb__before_clear_bit();
 	clear_bit(__LINK_STATE_RX_SCHED, &dev->state);
@@ -857,7 +857,7 @@ static inline void netif_poll_enable(struct net_device *dev)
  */
 static inline void __netif_rx_complete(struct net_device *dev)
 {
-	if (!test_bit(__LINK_STATE_RX_SCHED, &dev->state)) BUG();
+	BUG_ON(!test_bit(__LINK_STATE_RX_SCHED, &dev->state));
 	list_del(&dev->poll_list);
 	smp_mb__before_clear_bit();
 	clear_bit(__LINK_STATE_RX_SCHED, &dev->state);
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index 93edc5a5ad98..5ae592b26d63 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -255,8 +255,7 @@ nfs_file_cred(struct file *file)
 	if (file)
 		cred = (struct rpc_cred *)file->private_data;
 #ifdef RPC_DEBUG
-	if (cred && cred->cr_magic != RPCAUTH_CRED_MAGIC)
-		BUG();
+	BUG_ON(cred && cred->cr_magic != RPCAUTH_CRED_MAGIC);
 #endif
 	return cred;
 }
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 86d2bbccd9ea..4dba6ec06e3a 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -291,6 +291,7 @@
 #define PCI_DEVICE_ID_ATI_RADEON_Ig	0x4967
 /* Radeon RV280 (9200) */
 #define PCI_DEVICE_ID_ATI_RADEON_Y_	0x5960
+#define PCI_DEVICE_ID_ATI_RADEON_Yd	0x5964
 /* Radeon R300 (9500) */
 #define PCI_DEVICE_ID_ATI_RADEON_AD	0x4144
 /* Radeon R300 (9700) */
diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h
index ad88acfd7b70..155c9a2af016 100644
--- a/include/linux/quotaops.h
+++ b/include/linux/quotaops.h
@@ -44,8 +44,7 @@ extern struct quotactl_ops vfs_quotactl_ops;
 
 static __inline__ void DQUOT_INIT(struct inode *inode)
 {
-	if (!inode->i_sb)
-		BUG();
+	BUG_ON(!inode->i_sb);
 	if (sb_any_quota_enabled(inode->i_sb) && !IS_NOQUOTA(inode))
 		inode->i_sb->dq_op->initialize(inode, -1);
 }
@@ -53,8 +52,7 @@ static __inline__ void DQUOT_INIT(struct inode *inode)
 static __inline__ void DQUOT_DROP(struct inode *inode)
 {
 	if (IS_QUOTAINIT(inode)) {
-		if (!inode->i_sb)
-			BUG();
+		BUG_ON(!inode->i_sb);
 		inode->i_sb->dq_op->drop(inode);	/* Ops must be set when there's any quota... */
 	}
 }
diff --git a/include/linux/sched.h b/include/linux/sched.h
index dba09fa98441..f5f84aedbaec 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -50,7 +50,7 @@ struct exec_domain;
 #define CLONE_SETTLS	0x00080000	/* create a new TLS for the child */
 #define CLONE_PARENT_SETTID	0x00100000	/* set the TID in the parent */
 #define CLONE_CHILD_CLEARTID	0x00200000	/* clear the TID in the child */
-#define CLONE_DETACHED		0x00400000	/* Not used - CLONE_THREAD implies detached uniquely */
+#define CLONE_DETACHED		0x00400000	/* Unused, ignored */
 #define CLONE_UNTRACED		0x00800000	/* set if the tracing process can't force CLONE_PTRACE on this clone */
 #define CLONE_CHILD_SETTID	0x01000000	/* set the TID in the child */
 #define CLONE_STOPPED		0x02000000	/* Start in stopped state */
diff --git a/include/linux/smp_lock.h b/include/linux/smp_lock.h
index 80fbd56eb3e4..9a20995c531a 100644
--- a/include/linux/smp_lock.h
+++ b/include/linux/smp_lock.h
@@ -49,8 +49,7 @@ static inline void lock_kernel(void)
 
 static inline void unlock_kernel(void)
 {
-	if (unlikely(current->lock_depth < 0))
-		BUG();
+	BUG_ON(current->lock_depth < 0);
 	if (likely(--current->lock_depth < 0))
 		put_kernel_lock();
 }
diff --git a/include/net/sock.h b/include/net/sock.h
index 16e129f90426..115ace226a2a 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -473,8 +473,8 @@ static __inline__ void sk_set_owner(struct sock *sk, struct module *owner)
 	 * change the ownership of this struct sock, with one not needed
 	 * transient sk_set_owner call.
 	 */
-	if (unlikely(sk->sk_owner != NULL))
-		BUG();
+	BUG_ON(sk->sk_owner != NULL);
+
 	sk->sk_owner = owner;
 	__module_get(owner);
 }
diff --git a/include/net/tcp.h b/include/net/tcp.h
index aeea9b268f80..4ef3b80fe541 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -1457,7 +1457,7 @@ static __inline__ int tcp_prequeue(struct sock *sk, struct sk_buff *skb)
 		if (tp->ucopy.memory > sk->sk_rcvbuf) {
 			struct sk_buff *skb1;
 
-			if (sock_owned_by_user(sk)) BUG();
+			BUG_ON(sock_owned_by_user(sk));
 
 			while ((skb1 = __skb_dequeue(&tp->ucopy.prequeue)) != NULL) {
 				sk->sk_backlog_rcv(sk, skb1);
diff --git a/include/rxrpc/call.h b/include/rxrpc/call.h
index 6ac1df7012e9..9f0ce416a13e 100644
--- a/include/rxrpc/call.h
+++ b/include/rxrpc/call.h
@@ -187,8 +187,7 @@ extern int rxrpc_incoming_call(struct rxrpc_connection *conn,
 
 static inline void rxrpc_get_call(struct rxrpc_call *call)
 {
-	if (atomic_read(&call->usage)<=0)
-		BUG();
+	BUG_ON(atomic_read(&call->usage)<=0);
 	atomic_inc(&call->usage);
 	/*printk("rxrpc_get_call(%p{u=%d})\n",(C),atomic_read(&(C)->usage));*/
 }
diff --git a/include/rxrpc/connection.h b/include/rxrpc/connection.h
index 14de354724f9..f22e71097952 100644
--- a/include/rxrpc/connection.h
+++ b/include/rxrpc/connection.h
@@ -67,8 +67,7 @@ extern int rxrpc_connection_lookup(struct rxrpc_peer *peer,
 
 static inline void rxrpc_get_connection(struct rxrpc_connection *conn)
 {
-	if (atomic_read(&conn->usage)<0)
-		BUG();
+	BUG_ON(atomic_read(&conn->usage)<0);
 	atomic_inc(&conn->usage);
 	//printk("rxrpc_get_conn(%p{u=%d})\n",conn,atomic_read(&conn->usage));
 }
diff --git a/include/rxrpc/message.h b/include/rxrpc/message.h
index 9be208ab079e..d5755c6db3a8 100644
--- a/include/rxrpc/message.h
+++ b/include/rxrpc/message.h
@@ -53,8 +53,7 @@ struct rxrpc_message
 extern void __rxrpc_put_message(struct rxrpc_message *msg);
 static inline void rxrpc_put_message(struct rxrpc_message *msg)
 {
-	if (atomic_read(&msg->usage)<=0)
-		BUG();
+	BUG_ON(atomic_read(&msg->usage)<=0);
 	if (atomic_dec_and_test(&msg->usage))
 		__rxrpc_put_message(msg);
 }
diff --git a/include/rxrpc/peer.h b/include/rxrpc/peer.h
index 07e3a51b60b6..da4832fccd6a 100644
--- a/include/rxrpc/peer.h
+++ b/include/rxrpc/peer.h
@@ -72,8 +72,7 @@ extern int rxrpc_peer_lookup(struct rxrpc_transport *trans,
 
 static inline void rxrpc_get_peer(struct rxrpc_peer *peer)
 {
-	if (atomic_read(&peer->usage)<0)
-		BUG();
+	BUG_ON(atomic_read(&peer->usage)<0);
 	atomic_inc(&peer->usage);
 	//printk("rxrpc_get_peer(%p{u=%d})\n",peer,atomic_read(&peer->usage));
 }
diff --git a/include/rxrpc/transport.h b/include/rxrpc/transport.h
index 92fb49c7d4b9..6aa88691186c 100644
--- a/include/rxrpc/transport.h
+++ b/include/rxrpc/transport.h
@@ -85,8 +85,7 @@ extern int rxrpc_create_transport(unsigned short port,
 
 static inline void rxrpc_get_transport(struct rxrpc_transport *trans)
 {
-	if (atomic_read(&trans->usage) <= 0)
-		BUG();
+	BUG_ON(atomic_read(&trans->usage) <= 0);
 	atomic_inc(&trans->usage);
 	//printk("rxrpc_get_transport(%p{u=%d})\n",
 	//       trans, atomic_read(&trans->usage));
diff --git a/include/sound/core.h b/include/sound/core.h
index cbf5a1318769..00716c17d842 100644
--- a/include/sound/core.h
+++ b/include/sound/core.h
@@ -160,6 +160,7 @@ struct _snd_card {
 	int shutdown;			/* this card is going down */
 	wait_queue_head_t shutdown_sleep;
 	struct work_struct free_workq;	/* for free in workqueue */
+	struct device *dev;
 
 #ifdef CONFIG_PM
 	int (*set_power_state) (snd_card_t *card, unsigned int state);