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    Subject[PATCH v3 14/14] mm: memory_hotplug: memory hotremove supports thp migration
    Date
    From: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>

    This patch enables thp migration for memory hotremove.

    Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
    ---
    ChangeLog v1->v2:
    - base code switched from alloc_migrate_target to new_node_page()
    ---
    mm/memory_hotplug.c | 4 ++--
    1 file changed, 2 insertions(+), 2 deletions(-)

    diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
    index 9cb4c83151a8..e988ea15cc99 100644
    --- a/mm/memory_hotplug.c
    +++ b/mm/memory_hotplug.c
    @@ -1593,10 +1593,10 @@ static struct page *new_node_page(struct page *page, unsigned long private,
    gfp_mask |= __GFP_HIGHMEM;

    if (!nodes_empty(nmask))
    - new_page = __alloc_pages_nodemask(gfp_mask, 0,
    + new_page = __alloc_pages_nodemask(gfp_mask, order,
    node_zonelist(nid, gfp_mask), &nmask);
    if (!new_page)
    - new_page = __alloc_pages(gfp_mask, 0,
    + new_page = __alloc_pages(gfp_mask, order,
    node_zonelist(nid, gfp_mask));

    if (new_page && order == hpage_order(page))
    --
    2.11.0
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