From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754508Ab3LJJ3H (ORCPT ); Tue, 10 Dec 2013 04:29:07 -0500 Received: from e28smtp07.in.ibm.com ([122.248.162.7]:38433 "EHLO e28smtp07.in.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753757Ab3LJJTy (ORCPT ); Tue, 10 Dec 2013 04:19:54 -0500 From: Wanpeng Li To: Andrew Morton , Ingo Molnar Cc: Rik van Riel , Mel Gorman , Peter Zijlstra , Naoya Horiguchi , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Wanpeng Li Subject: [PATCH v4 01/12] sched/numa: fix set cpupid on page migration twice against thp Date: Tue, 10 Dec 2013 17:19:24 +0800 Message-Id: <1386667175-19952-1-git-send-email-liwanp@linux.vnet.ibm.com> X-Mailer: git-send-email 1.7.5.4 X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 13121009-8878-0000-0000-00000A02E9B5 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 function migrate_misplaced_transhuge_page, this patch fix it. Acked-by: Mel Gorman Reviewed-by: Rik van Riel Signed-off-by: Wanpeng Li --- 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