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x86, mm: Separate x86_64 vmalloc_sync_all() into separate functions

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No behavior change.

Move some of vmalloc_sync_all() code into a new function
sync_global_pgds() that will be useful for memory hotplug.

Signed-off-by: Haicheng Li <haicheng.li@linux.intel.com>
LKML-Reference: <4C6E4ECD.1090607@linux.intel.com>
Reviewed-by: Wu Fengguang <fengguang.wu@intel.com>
Reviewed-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
This commit is contained in:
Haicheng Li
2010-05-19 17:42:14 +08:00
committed by H. Peter Anvin
parent 61c77326d1
commit 6afb5157b9
3 changed files with 33 additions and 23 deletions
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arch/x86/include/asm/pgtable_64.h
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@@ -102,6 +102,8 @@ static inline void native_pgd_clear(pgd_t *pgd)
native_set_pgd(pgd, native_make_pgd(0));
}
extern void sync_global_pgds(unsigned long start, unsigned long end);
/*
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