mm: numa: split_huge_page: Transfer last_nid on tail page
Pass last_nid from head page to tail page.
Signed-off-by: Hillf Danton <dhillf@gmail.com>
Signed-off-by: Mel Gorman <mgorman@suse.de>
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index f3a477f..79b9606 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -1362,6 +1362,7 @@
page_tail->mapping = page->mapping;
page_tail->index = page->index + i;
+ page_xchg_last_nid(page_tail, page_last_nid(page));
BUG_ON(!PageAnon(page_tail));
BUG_ON(!PageUptodate(page_tail));