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page_alloc: bootmem limit with movablecore_map

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Ensure the bootmem will not allocate memory from areas that may be
ZONE_MOVABLE.  The map info is from movablecore_map boot option.

Signed-off-by: Tang Chen <tangchen@cn.fujitsu.com>
Reviewed-by: Wen Congyang <wency@cn.fujitsu.com>
Reviewed-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Tested-by: Lin Feng <linfeng@cn.fujitsu.com>
Cc: Wu Jianguo <wujianguo@huawei.com>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Tang Chen 2013-02-22 16:33:42 -08:00 • committed by Linus Torvalds
parent 42f47e27e7
commit fb06bc8e5f
2 changed files with 18 additions and 1 deletions
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1
include/linux/memblock.h
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@ -42,6 +42,7 @@ struct memblock {
extern struct memblock memblock;
extern int memblock_debug;
extern struct movablemem_map movablemem_map;
#define memblock_dbg(fmt, ...) \
if (memblock_debug) printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)