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memblock: Expose some memblock bits for use by x86 

This exposes memblock_debug and associated memblock_dbg() macro,
along with memblock_can_resize so that x86 can use these when
ported to use memblock

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Yinghai Lu 2010-07-28 15:07:21 +10:00 committed by Benjamin Herrenschmidt
parent 6d03b885f0
commit 5e63cf43af
2 changed files with 7 additions and 1 deletions
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5
include/linux/memblock.h
View File

@ -39,6 +39,11 @@ struct memblock {
};
extern struct memblock memblock;
extern int memblock_debug;
extern int memblock_can_resize;
#define memblock_dbg(fmt, ...) \
if (memblock_debug) printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
extern void __init memblock_init(void);
extern void __init memblock_analyze(void);

3
mm/memblock.c
View File

@ -22,7 +22,8 @@
struct memblock memblock;
static int memblock_debug, memblock_can_resize;
int memblock_debug;
int memblock_can_resize;
static struct memblock_region memblock_memory_init_regions[INIT_MEMBLOCK_REGIONS + 1];
static struct memblock_region memblock_reserved_init_regions[INIT_MEMBLOCK_REGIONS + 1];