From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751554Ab3LKKQ2 (ORCPT ); Wed, 11 Dec 2013 05:16:28 -0500 Received: from e23smtp05.au.ibm.com ([202.81.31.147]:48957 "EHLO e23smtp05.au.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751009Ab3LKKQX (ORCPT ); Wed, 11 Dec 2013 05:16:23 -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 4/6] sched/numa: fix set cpupid on page migration twice against normal page Date: Wed, 11 Dec 2013 18:15:59 +0800 Message-Id: <1386756961-3887-5-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: 13121110-1396-0000-0000-00000401341F 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 alloc_misplaced_dst_page, this patch fix it. Reviewed-by: Naoya Horiguchi Acked-by: Mel Gorman 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 fdb70f7..d4228c6 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -1557,8 +1557,6 @@ static struct page *alloc_misplaced_dst_page(struct page *page, __GFP_NOMEMALLOC | __GFP_NORETRY | __GFP_NOWARN) & ~GFP_IOFS, 0); - if (newpage) - page_cpupid_xchg_last(newpage, page_cpupid_last(page)); return newpage; } -- 1.7.5.4