diff options
| author | Dave Hansen <haveblue@us.ibm.com> | 2005-03-09 16:30:30 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-03-09 16:30:30 -0800 |
| commit | 3c810c5057c4a15fe01a4a3de1b9de0f8a8ecc48 (patch) | |
| tree | 11fa1bf3839439f75daba7e4156d1107ef95402a /include/linux | |
| parent | f7e3b0c7b98b748fe462dd95918dc17afff3bc00 (diff) | |
[PATCH] x86: abstract discontigmem setup
memory_present() is how each arch/subarch will tell sparsemem and discontigmem
where all of its memory is. This is what triggers sparse to go out and create
its mappings for the memory, as well as allocate the mem_map[].
By: Andy Whitcroft <apw@shadowen.org>
Signed-off-by: Dave Hansen <haveblue@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/mmzone.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index a2b35dbc84f7..e530c6c092f1 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -11,6 +11,7 @@ #include <linux/cache.h> #include <linux/threads.h> #include <linux/numa.h> +#include <linux/init.h> #include <asm/atomic.h> /* Free memory management - zoned buddy allocator. */ @@ -278,6 +279,16 @@ void wakeup_kswapd(struct zone *zone, int order); int zone_watermark_ok(struct zone *z, int order, unsigned long mark, int alloc_type, int can_try_harder, int gfp_high); +#ifdef CONFIG_HAVE_MEMORY_PRESENT +void memory_present(int nid, unsigned long start, unsigned long end); +#else +static inline void memory_present(int nid, unsigned long start, unsigned long end) {} +#endif + +#ifdef CONFIG_NEED_NODE_MEMMAP_SIZE +unsigned long __init node_memmap_size_bytes(int, unsigned long, unsigned long); +#endif + /* * zone_idx() returns 0 for the ZONE_DMA zone, 1 for the ZONE_NORMAL zone, etc. */ |