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mm/hugetlb: use already existing interface huge_page_shift

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Use the already existing interface huge_page_shift instead of h->order +
PAGE_SHIFT.

Signed-off-by: Wanpeng Li <liwanp@linux.vnet.ibm.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Reviewed-by: Michal Hocko <mhocko@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Wanpeng Li 2013-07-03 15:02:43 -07:00 committed by Linus Torvalds
parent 5f1e31d2f5
commit 2415cf12e0
2 changed files with 2 additions and 2 deletions
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2
arch/powerpc/mm/hugetlbpage.c
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@ -357,7 +357,7 @@ void add_gpage(u64 addr, u64 page_size, unsigned long number_of_pages)
int alloc_bootmem_huge_page(struct hstate *hstate)
{
struct huge_bootmem_page *m;
int idx = shift_to_mmu_psize(hstate->order + PAGE_SHIFT);
int idx = shift_to_mmu_psize(huge_page_shift(hstate));
int nr_gpages = gpage_freearray[idx].nr_gpages;
if (nr_gpages == 0)

2
mm/hugetlb.c
View File

@ -319,7 +319,7 @@ unsigned long vma_kernel_pagesize(struct vm_area_struct *vma)
hstate = hstate_vma(vma);
return 1UL << (hstate->order + PAGE_SHIFT);
return 1UL << huge_page_shift(hstate);
}
EXPORT_SYMBOL_GPL(vma_kernel_pagesize);