Pass last_nid from misplaced page to newly allocated migration target page.
Signed-off-by: Hillf Danton <dhi...@gmail.com>
---
--- a/mm/migrate.c Tue Nov 27 20:16:48 2012
+++ b/mm/migrate.c Tue Nov 27 20:19:12 2012
@@ -1457,6 +1457,9 @@ static struct page *alloc_misplaced_dst_
__GFP_NOMEMALLOC | __GFP_NORETRY |
__GFP_NOWARN) &
~GFP_IOFS, 0);
+ if (newpage)
+ page_xchg_last_nid(newpage, page_last_nid(page));
+
return newpage;
}
@@ -1627,6 +1630,8 @@ int migrate_misplaced_transhuge_page(str
(GFP_TRANSHUGE | GFP_THISNODE) & ~__GFP_WAIT, HPAGE_PMD_ORDER);
if (!new_page)
goto out_dropref;
+
+ page_xchg_last_nid(new_page, page_last_nid(page));
isolated = numamigrate_isolate_page(pgdat, page);
if (!isolated) {
--
--
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