From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail138.messagelabs.com (mail138.messagelabs.com [216.82.249.35]) by kanga.kvack.org (Postfix) with SMTP id C76F96B003D for ; Wed, 11 Feb 2009 07:33:36 -0500 (EST) Received: from m1.gw.fujitsu.co.jp ([10.0.50.71]) by fgwmail6.fujitsu.co.jp (Fujitsu Gateway) with ESMTP id n1BCXY0K006484 for (envelope-from kosaki.motohiro@jp.fujitsu.com); Wed, 11 Feb 2009 21:33:34 +0900 Received: from smail (m1 [127.0.0.1]) by outgoing.m1.gw.fujitsu.co.jp (Postfix) with ESMTP id 726E145DD74 for ; Wed, 11 Feb 2009 21:33:34 +0900 (JST) Received: from s1.gw.fujitsu.co.jp (s1.gw.fujitsu.co.jp [10.0.50.91]) by m1.gw.fujitsu.co.jp (Postfix) with ESMTP id 5370645DD72 for ; Wed, 11 Feb 2009 21:33:34 +0900 (JST) Received: from s1.gw.fujitsu.co.jp (localhost.localdomain [127.0.0.1]) by s1.gw.fujitsu.co.jp (Postfix) with ESMTP id 557581DB803E for ; Wed, 11 Feb 2009 21:33:34 +0900 (JST) Received: from ml13.s.css.fujitsu.com (ml13.s.css.fujitsu.com [10.249.87.103]) by s1.gw.fujitsu.co.jp (Postfix) with ESMTP id 0F26E1DB803A for ; Wed, 11 Feb 2009 21:33:34 +0900 (JST) From: KOSAKI Motohiro Subject: [PATCH 1/2] mm: don't mark_page_accessed() in do_swap_page() Message-Id: <20090211213201.C3CA.KOSAKI.MOTOHIRO@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Date: Wed, 11 Feb 2009 21:33:33 +0900 (JST) Sender: owner-linux-mm@kvack.org To: LKML , linux-mm , Andrew Morton , Nick Piggin , Hugh Dickins , Rik van Riel Cc: kosaki.motohiro@jp.fujitsu.com List-ID: commit bf3f3bc5e734706730c12a323f9b2068052aa1f0 (mm: don't mark_page_accessed in fault path) only remove the mark_page_accessed() in filemap_fault(). Therefore, swap-backed page and file-backed page have inconsistency behavior now. mark_page_accessed() should be removed from do_swap_page(). Signed-off-by: KOSAKI Motohiro Cc: Nick Piggin Cc: Hugh Dickins --- mm/memory.c | 2 -- 1 file changed, 2 deletions(-) Index: b/mm/memory.c =================================================================== --- a/mm/memory.c +++ b/mm/memory.c @@ -2440,8 +2440,6 @@ static int do_swap_page(struct mm_struct count_vm_event(PGMAJFAULT); } - mark_page_accessed(page); - lock_page(page); delayacct_clear_flag(DELAYACCT_PF_SWAPIN); -- 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