Commit 19ee151e authored Mar 04, 2011 by Andi Kleen Committed by Linus Torvalds Mar 04, 2011

mm: preserve original node for transparent huge page copies



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>

parent 236344d6

mm/huge_memory.c

+2 −2

Original line number	Original line	Diff line number	Diff line
	@@ -799,8 +799,8 @@ static int do_huge_pmd_wp_page_fallback(struct mm_struct *mm,
	}		}

	for (i = 0; i < HPAGE_PMD_NR; i++) {		for (i = 0; i < HPAGE_PMD_NR; i++) {
	pages[i] = alloc_page_vma(GFP_HIGHUSER_MOVABLE,		pages[i] = alloc_page_vma_node(GFP_HIGHUSER_MOVABLE,
	vma, address);		vma, address, page_to_nid(page));
	if (unlikely(!pages[i] \|\|		if (unlikely(!pages[i] \|\|
	mem_cgroup_newpage_charge(pages[i], mm,		mem_cgroup_newpage_charge(pages[i], mm,
	GFP_KERNEL))) {		GFP_KERNEL))) {