[PATCH v3 14/14] mm: memory_hotplug: memory hotremove supports thp migration

[Zi Yan]

From: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx>

This patch enables thp migration for memory hotremove.

Signed-off-by: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx>
---
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