From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail144.messagelabs.com (mail144.messagelabs.com [216.82.254.51]) by kanga.kvack.org (Postfix) with ESMTP id BD6566B0275 for ; Wed, 5 May 2010 15:12:15 -0400 (EDT) Received: from f199130.upc-f.chello.nl ([80.56.199.130] helo=dyad.programming.kicks-ass.net) by bombadil.infradead.org with esmtpsa (Exim 4.69 #1 (Red Hat Linux)) id 1O9k0a-0006hh-Q2 for linux-mm@kvack.org; Wed, 05 May 2010 19:11:49 +0000 Subject: Re: [PATCH 1/2] mm,migration: Prevent rmap_walk_[anon|ksm] seeing the wrong VMA information From: Peter Zijlstra In-Reply-To: <20100505161319.GQ5835@random.random> References: <1273065281-13334-1-git-send-email-mel@csn.ul.ie> <1273065281-13334-2-git-send-email-mel@csn.ul.ie> <20100505145620.GP20979@csn.ul.ie> <20100505155454.GT20979@csn.ul.ie> <20100505161319.GQ5835@random.random> Content-Type: text/plain; charset="UTF-8" Date: Wed, 05 May 2010 21:11:25 +0200 Message-ID: <1273086685.1642.252.camel@laptop> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org To: Andrea Arcangeli Cc: Mel Gorman , Linus Torvalds , Andrew Morton , Linux-MM , LKML , Minchan Kim , KAMEZAWA Hiroyuki , Christoph Lameter , Rik van Riel List-ID: On Wed, 2010-05-05 at 18:13 +0200, Andrea Arcangeli wrote: > On Wed, May 05, 2010 at 04:54:54PM +0100, Mel Gorman wrote: > > I'm still thinking of the ordering but one possibility would be to use a mutex > > I can't take mutex in split_huge_page... so I'd need to use an other solution. So how's that going to work out for my make anon_vma->lock a mutex patches? -- 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