From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pd0-f173.google.com (mail-pd0-f173.google.com [209.85.192.173]) by kanga.kvack.org (Postfix) with ESMTP id 7DAEB6B0035 for ; Wed, 11 Dec 2013 05:16:28 -0500 (EST) Received: by mail-pd0-f173.google.com with SMTP id p10so9200524pdj.4 for ; Wed, 11 Dec 2013 02:16:28 -0800 (PST) Received: from e23smtp08.au.ibm.com (e23smtp08.au.ibm.com. [202.81.31.141]) by mx.google.com with ESMTPS id eb3si13116581pbc.86.2013.12.11.02.16.25 for (version=TLSv1 cipher=RC4-SHA bits=128/128); Wed, 11 Dec 2013 02:16:27 -0800 (PST) Received: from /spool/local by e23smtp08.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Wed, 11 Dec 2013 20:16:14 +1000 Received: from d23relay04.au.ibm.com (d23relay04.au.ibm.com [9.190.234.120]) by d23dlp02.au.ibm.com (Postfix) with ESMTP id B8FDC2BB002D for ; Wed, 11 Dec 2013 21:16:12 +1100 (EST) Received: from d23av04.au.ibm.com (d23av04.au.ibm.com [9.190.235.139]) by d23relay04.au.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id rBB9w09E62128258 for ; Wed, 11 Dec 2013 20:58:00 +1100 Received: from d23av04.au.ibm.com (localhost [127.0.0.1]) by d23av04.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id rBBAGBiw015874 for ; Wed, 11 Dec 2013 21:16:12 +1100 From: 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> 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> Sender: owner-linux-mm@kvack.org List-ID: 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 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 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org