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Date: Sat, 24 Nov 2012 12:18:51 +0800
From: Hillf Danton <dhillf@...il.com>
To: Mel Gorman <mgorman@...e.de>
Cc: Hillf Danton <dhillf@...il.com>,
LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH 2/3] balancenuma: free new thp if fail to isolate the old
Free newly allocated thp if fail to isolate the old.
Signed-off-by: Hillf Danton <dhillf@...il.com>
---
--- a/mm/migrate.c Fri Nov 23 21:29:40 2012
+++ b/mm/migrate.c Fri Nov 23 22:52:06 2012
@@ -1624,8 +1624,10 @@ int migrate_misplaced_transhuge_page(str
goto out_dropref;
isolated = numamigrate_isolate_page(pgdat, page);
- if (!isolated)
+ if (!isolated) {
+ put_page(new_page);
goto out_keep_locked;
+ }
list_add(&page->lru, &migratepages);
/* Prepare a page as a migration target */
--
--
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