From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx203.postini.com [74.125.245.203]) by kanga.kvack.org (Postfix) with SMTP id C7C1E6B005A for ; Tue, 17 Jul 2012 04:54:53 -0400 (EDT) Received: from /spool/local by e6.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 17 Jul 2012 04:54:52 -0400 Received: from d01relay05.pok.ibm.com (d01relay05.pok.ibm.com [9.56.227.237]) by d01dlp02.pok.ibm.com (Postfix) with ESMTP id EBAF46E8054 for ; Tue, 17 Jul 2012 04:54:48 -0400 (EDT) Received: from d01av02.pok.ibm.com (d01av02.pok.ibm.com [9.56.224.216]) by d01relay05.pok.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id q6H8smWV363348 for ; Tue, 17 Jul 2012 04:54:48 -0400 Received: from d01av02.pok.ibm.com (loopback [127.0.0.1]) by d01av02.pok.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id q6H8smBh000954 for ; Tue, 17 Jul 2012 05:54:48 -0300 Date: Tue, 17 Jul 2012 16:59:33 +0800 From: Gavin Shan Subject: Re: [PATCH] mm/vmscan: remove checking on PG_lru Message-ID: <20120717085933.GA21120@shangw> Reply-To: Gavin Shan References: <1342500254-28384-1-git-send-email-shangw@linux.vnet.ibm.com> <20120717084513.GA24218@bbox> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20120717084513.GA24218@bbox> Sender: owner-linux-mm@kvack.org List-ID: To: Minchan Kim Cc: Gavin Shan , linux-mm@kvack.org, rientjes@google.com, akpm@linux-foundation.org >Hello Gavin, > >On Tue, Jul 17, 2012 at 12:44:14PM +0800, Gavin Shan wrote: >> Function __isolate_lru_page() is called by isolate_lru_pages() or >> isolate_migratepages_range(). For both cases, the PG_lru flag for > >In isolate_lru_pages, the check is with VM_BUG_ON so if we disable >CONFIG_DEBUG_VM, we still need it. > Thanks, Minchan. Sorry for the noise then :-) Gavin >-- >Kind regards, >Minchan Kim > -- 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