From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail190.messagelabs.com (mail190.messagelabs.com [216.82.249.51]) by kanga.kvack.org (Postfix) with SMTP id 3AE326007B8 for ; Mon, 3 May 2010 13:05:05 -0400 (EDT) Date: Mon, 3 May 2010 19:02:30 +0200 From: Andrea Arcangeli Subject: Re: [PATCH 1/2] mm: Take all anon_vma locks in anon_vma_lock Message-ID: <20100503170230.GF19891@random.random> References: <20100503121743.653e5ecc@annuminas.surriel.com> <20100503121847.7997d280@annuminas.surriel.com> <1272905712.1642.150.camel@laptop> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1272905712.1642.150.camel@laptop> Sender: owner-linux-mm@kvack.org To: Peter Zijlstra Cc: Rik van Riel , akpm@linux-foundation.org, torvalds@linux-foundation.org, Mel Gorman , Linux-MM , LKML , Minchan Kim , KAMEZAWA Hiroyuki , Christoph Lameter List-ID: On Mon, May 03, 2010 at 06:55:12PM +0200, Peter Zijlstra wrote: > This does leave me worrying about concurrent faults poking at > vma->vm_end without synchronization. I didn't check this patch in detail yet. I agree it can be removed and I think it can be safely replaced with the page_table_lock. -- 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