From: Wanpeng Li <liwanp@linux.vnet.ibm.com>
To: Ingo Molnar <mingo@redhat.com>,
Andrew Morton <akpm@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>,
Mel Gorman <mgorman@suse.de>, Rik van Riel <riel@redhat.com>,
Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Wanpeng Li <liwanp@linux.vnet.ibm.com>
Subject: [PATCH 1/2] sched/numa: fix set cpupid on page migration twice
Date: Thu, 5 Dec 2013 19:10:16 +0800 [thread overview]
Message-ID: <1386241817-5051-1-git-send-email-liwanp@linux.vnet.ibm.com> (raw)
commit 7851a45cd3 (mm: numa: Copy cpupid on page migration) copy over
the cpupid at page migration time, there is unnecessary to set it again
in migrate_misplaced_transhuge_page, this patch fix it.
Signed-off-by: Wanpeng Li <liwanp@linux.vnet.ibm.com>
---
mm/migrate.c | 2 --
1 files changed, 0 insertions(+), 2 deletions(-)
diff --git a/mm/migrate.c b/mm/migrate.c
index bb94004..fdb70f7 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -1736,8 +1736,6 @@ 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);
--
1.7.7.6
--
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next reply other threads:[~2013-12-05 18:32 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-05 11:10 Wanpeng Li [this message]
2013-12-05 11:10 ` [PATCH 2/2] sched/numa: drop idx field of task_numa_env struct Wanpeng Li
2013-12-05 12:27 ` Rik van Riel
2013-12-05 15:03 ` Naoya Horiguchi
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