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mm: preserve original node for transparent huge page copies

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This makes a difference for LOCAL policy, where the node cannot be
determined from the policy itself, but has to be gotten from the original
page.

Acked-by: Andrea Arcangeli <aarcange@redhat.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Andi Kleen 2011-03-04 17:36:31 -08:00 committed by Linus Torvalds
parent 236344d6b4
commit 19ee151e14
1 changed files with 2 additions and 2 deletions
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4
mm/huge_memory.c
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@ -799,8 +799,8 @@ static int do_huge_pmd_wp_page_fallback(struct mm_struct *mm,
}
for (i = 0; i < HPAGE_PMD_NR; i++) {
pages[i] = alloc_page_vma(GFP_HIGHUSER_MOVABLE,
vma, address);
pages[i] = alloc_page_vma_node(GFP_HIGHUSER_MOVABLE,
vma, address, page_to_nid(page));
if (unlikely(!pages[i] ||
mem_cgroup_newpage_charge(pages[i], mm,
GFP_KERNEL))) {