From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751510Ab3LKKQV (ORCPT ); Wed, 11 Dec 2013 05:16:21 -0500 Received: from e23smtp03.au.ibm.com ([202.81.31.145]:41008 "EHLO e23smtp03.au.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751009Ab3LKKQS (ORCPT ); Wed, 11 Dec 2013 05:16:18 -0500 From: Wanpeng Li To: Andrew Morton Cc: Ingo Molnar , Rik van Riel , Mel Gorman , Peter Zijlstra , Naoya Horiguchi , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Wanpeng Li Subject: [PATCH v6 1/6] sched/numa: fix set cpupid on page migration twice against thp Date: Wed, 11 Dec 2013 18:15:56 +0800 Message-Id: <1386756961-3887-2-git-send-email-liwanp@linux.vnet.ibm.com> X-Mailer: git-send-email 1.7.5.4 In-Reply-To: <1386756961-3887-1-git-send-email-liwanp@linux.vnet.ibm.com> References: <1386756961-3887-1-git-send-email-liwanp@linux.vnet.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 13121110-6102-0000-0000-000004A589E4 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 Reviewed-by: Naoya Horiguchi 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); -- 1.7.5.4