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sched/numa: fix setting of cpupid on page migration twice

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Commit 7851a45cd3 ("mm: numa: Copy cpupid on page migration") copiess
over the cpupid at page migration time.  It is unnecessary to set it
again in migrate_misplaced_transhuge_page().

Signed-off-by: Wanpeng Li <liwanp@linux.vnet.ibm.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Rik van Riel <riel@redhat.com>
Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Wanpeng Li 2014-01-23 15:53:21 -08:00 committed by Linus Torvalds
parent c980e66a55
commit baae911b27
1 changed files with 0 additions and 2 deletions
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mm/migrate.c
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@ -1753,8 +1753,6 @@ int migrate_misplaced_transhuge_page(struct mm_struct *mm,
if (!new_page)
goto out_fail;
page_cpupid_xchg_last(new_page, page_cpupid_last(page));
isolated = numamigrate_isolate_page(pgdat, page);
if (!isolated) {
put_page(new_page);