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    Subject[PATCH 4/8] Preserve original node for transparent huge page copies
    Date
    From: Andi Kleen <ak@linux.intel.com>

    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.

    Cc: aarcange@redhat.com
    Signed-off-by: Andi Kleen <ak@linux.intel.com>
    ---
    mm/huge_memory.c | 4 ++--
    1 files changed, 2 insertions(+), 2 deletions(-)
    diff --git a/mm/huge_memory.c b/mm/huge_memory.c
    index 73ecca5..00a5c39 100644
    --- a/mm/huge_memory.c
    +++ b/mm/huge_memory.c
    @@ -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))) {
    --
    1.7.4


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