From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753945AbaH1Sq7 (ORCPT ); Thu, 28 Aug 2014 14:46:59 -0400 Received: from cantor2.suse.de ([195.135.220.15]:32884 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753290AbaH1ShL (ORCPT ); Thu, 28 Aug 2014 14:37:11 -0400 From: Mel Gorman To: Jiri Slaby Cc: Linux-Stable , LKML , Mel Gorman Subject: [PATCH 81/97] mm: do not use atomic operations when releasing pages Date: Thu, 28 Aug 2014 19:35:29 +0100 Message-Id: <1409250945-30874-82-git-send-email-mgorman@suse.de> X-Mailer: git-send-email 1.8.4.5 In-Reply-To: <1409250945-30874-1-git-send-email-mgorman@suse.de> References: <1409250945-30874-1-git-send-email-mgorman@suse.de> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org commit e3741b506c5088fa8c911bb5884c430f770fb49d upstream. There should be no references to it any more and a parallel mark should not be reordered against us. Use non-locked varient to clear page active. Signed-off-by: Mel Gorman Acked-by: Rik van Riel Cc: Johannes Weiner Cc: Vlastimil Babka Cc: Jan Kara Cc: Michal Hocko Cc: Hugh Dickins Cc: Dave Hansen Cc: Theodore Ts'o Cc: "Paul E. McKenney" Cc: Oleg Nesterov Cc: Peter Zijlstra Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds Signed-off-by: Mel Gorman --- mm/swap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/swap.c b/mm/swap.c index 026113d..afeabe3 100644 --- a/mm/swap.c +++ b/mm/swap.c @@ -835,7 +835,7 @@ void release_pages(struct page **pages, int nr, bool cold) } /* Clear Active bit in case of parallel mark_page_accessed */ - ClearPageActive(page); + __ClearPageActive(page); list_add(&page->lru, &pages_to_free); } -- 1.8.4.5