From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx153.postini.com [74.125.245.153]) by kanga.kvack.org (Postfix) with SMTP id 006A36B005D for ; Tue, 17 Jul 2012 04:44:49 -0400 (EDT) Date: Tue, 17 Jul 2012 17:45:13 +0900 From: Minchan Kim Subject: Re: [PATCH] mm/vmscan: remove checking on PG_lru Message-ID: <20120717084513.GA24218@bbox> References: <1342500254-28384-1-git-send-email-shangw@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1342500254-28384-1-git-send-email-shangw@linux.vnet.ibm.com> Sender: owner-linux-mm@kvack.org List-ID: To: Gavin Shan Cc: 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. -- 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