5 files changed, 28 insertions, 6 deletions
diff --git a/tools/include/linux/bitmap.h b/tools/include/linux/bitmap.h
index 210c13b1b857..2a7f260ef9dc 100644
--- a/tools/include/linux/bitmap.h
+++ b/tools/include/linux/bitmap.h
@@ -19,7 +19,7 @@ bool __bitmap_and(unsigned long *dst, const unsigned long *bitmap1,
 		 const unsigned long *bitmap2, unsigned int bits);
 bool __bitmap_equal(const unsigned long *bitmap1,
 		    const unsigned long *bitmap2, unsigned int bits);
-void bitmap_clear(unsigned long *map, unsigned int start, int len);
+void __bitmap_clear(unsigned long *map, unsigned int start, int len);
 bool __bitmap_intersects(const unsigned long *bitmap1,
 			 const unsigned long *bitmap2, unsigned int bits);
 
@@ -150,4 +150,19 @@ static inline bool bitmap_intersects(const unsigned long *src1,
 		return __bitmap_intersects(src1, src2, nbits);
 }
 
+static inline void bitmap_clear(unsigned long *map, unsigned int start,
+			       unsigned int nbits)
+{
+	if (__builtin_constant_p(nbits) && nbits == 1)
+		__clear_bit(start, map);
+	else if (small_const_nbits(start + nbits))
+		*map &= ~GENMASK(start + nbits - 1, start);
+	else if (__builtin_constant_p(start & BITMAP_MEM_MASK) &&
+		 IS_ALIGNED(start, BITMAP_MEM_ALIGNMENT) &&
+		 __builtin_constant_p(nbits & BITMAP_MEM_MASK) &&
+		 IS_ALIGNED(nbits, BITMAP_MEM_ALIGNMENT))
+		memset((char *)map + start / 8, 0, nbits / 8);
+	else
+		__bitmap_clear(map, start, nbits);
+}
 #endif /* _TOOLS_LINUX_BITMAP_H */
diff --git a/tools/include/linux/compiler.h b/tools/include/linux/compiler.h
index 8a63a9913495..6f7f22ac9da5 100644
--- a/tools/include/linux/compiler.h
+++ b/tools/include/linux/compiler.h
@@ -62,6 +62,10 @@
 #define __nocf_check __attribute__((nocf_check))
 #endif
 
+#ifndef __naked
+#define __naked __attribute__((__naked__))
+#endif
+
 /* Are two types/vars the same type (ignoring qualifiers)? */
 #ifndef __same_type
 # define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
diff --git a/tools/include/linux/mm.h b/tools/include/linux/mm.h
index dc0fc7125bc3..cad4f2927983 100644
--- a/tools/include/linux/mm.h
+++ b/tools/include/linux/mm.h
@@ -12,6 +12,7 @@
 #define PHYS_ADDR_MAX	(~(phys_addr_t)0)
 
 #define PAGE_ALIGN(addr) ALIGN(addr, PAGE_SIZE)
+#define PAGE_ALIGN_DOWN(addr) ALIGN_DOWN(addr, PAGE_SIZE)
 
 #define __va(x) ((void *)((unsigned long)(x)))
 #define __pa(x) ((unsigned long)(x))
diff --git a/tools/include/linux/numa.h b/tools/include/linux/numa.h
index 110b0e5d0fb0..c8b9369335e0 100644
--- a/tools/include/linux/numa.h
+++ b/tools/include/linux/numa.h
@@ -13,4 +13,9 @@
 
 #define	NUMA_NO_NODE	(-1)
 
+static inline bool numa_valid_node(int nid)
+{
+	return nid >= 0 && nid < MAX_NUMNODES;
+}
+
 #endif /* _LINUX_NUMA_H */
diff --git a/tools/include/linux/poison.h b/tools/include/linux/poison.h
index 2e6338ac5eed..e530e54046c9 100644
--- a/tools/include/linux/poison.h
+++ b/tools/include/linux/poison.h
@@ -47,11 +47,8 @@
  * Magic nums for obj red zoning.
  * Placed in the first word before and the first word after an obj.
  */
-#define	RED_INACTIVE	0x09F911029D74E35BULL	/* when obj is inactive */
-#define	RED_ACTIVE	0xD84156C5635688C0ULL	/* when obj is active */
-
-#define SLUB_RED_INACTIVE	0xbb
-#define SLUB_RED_ACTIVE		0xcc
+#define SLUB_RED_INACTIVE	0xbb	/* when obj is inactive */
+#define SLUB_RED_ACTIVE		0xcc	/* when obj is active */
 
 /* ...and for poisoning */
 #define	POISON_INUSE	0x5a	/* for use-uninitialised poisoning */