From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail203.messagelabs.com (mail203.messagelabs.com [216.82.254.243]) by kanga.kvack.org (Postfix) with SMTP id 2664B6B0024 for ; Fri, 6 May 2011 14:07:21 -0400 (EDT) Date: Fri, 6 May 2011 20:06:46 +0200 From: Andrea Arcangeli Subject: Re: [PATCH]mm/page_alloc.c: no need del from lru Message-ID: <20110506180646.GF6330@random.random> References: <1304694099.2450.3.camel@figo-desktop> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1304694099.2450.3.camel@figo-desktop> Sender: owner-linux-mm@kvack.org List-ID: To: "Figo.zhang" Cc: lkml , "linux-mm@kvack.org" , mel@csn.ul.ie, kamezawa.hiroyu@jp.fujisu.com, Minchan Kim , Andrew Morton Hello, On Fri, May 06, 2011 at 11:01:21PM +0800, Figo.zhang wrote: > > split_free_page() the page is still free page, it is no need del from lru. This is in the buddy freelist, see the other list_add in page_alloc.c. It's not the lru as in release_pages. I see little chance that if this was wrong it could go unnoticed so long without major mm corruption reported. Removing it also should result in heavy mm corruption. Thanks, Andrea -- 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/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org