From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx178.postini.com [74.125.245.178]) by kanga.kvack.org (Postfix) with SMTP id 3461E6B004F for ; Wed, 25 Jan 2012 19:20:37 -0500 (EST) Date: Wed, 25 Jan 2012 16:20:35 -0800 From: Andrew Morton Subject: Re: [PATCH 3/3] mm: adjust rss counters for migration entiries Message-Id: <20120125162035.32766a1c.akpm@linux-foundation.org> In-Reply-To: References: <20120106173827.11700.74305.stgit@zurg> <20120106173856.11700.98858.stgit@zurg> <20120111144125.0c61f35f.kamezawa.hiroyu@jp.fujitsu.com> <4F0D46EF.4060705@openvz.org> <20120111174126.f35e708a.kamezawa.hiroyu@jp.fujitsu.com> <20120118152131.45a47966.akpm@linux-foundation.org> <4F1E58DD.6030607@openvz.org> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Hugh Dickins Cc: Konstantin Khlebnikov , KAMEZAWA Hiroyuki , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" On Wed, 25 Jan 2012 15:01:38 -0800 (PST) Hugh Dickins wrote: > > > > : From: Konstantin Khlebnikov > > > > : Subject: mm: postpone migrated page mapping reset > > > > : > > > > : Postpone resetting page->mapping until the final > > > > remove_migration_ptes(). > > > > : Otherwise the expression PageAnon(migration_entry_to_page(entry)) does > > > > not > > > > : work. > > > > : > > > > : Signed-off-by: Konstantin Khlebnikov > > > > : Cc: Hugh Dickins > > > > : Cc: KAMEZAWA Hiroyuki > > > > > > Isn't this one actually an essential part of the fix? It should have > > > been part of the same patch, but you split them apart, now Andrew has > > > reordered them and pushed one part to 3.3, but this needs to go in too? > > > > > > > Oops. I missed that. Yes. race-fix does not work for anon-memory without that > > patch. > > But this is non-fatal, there are no new bugs. > > Non-fatal and no new bug, yes, but it makes the fix which has already > gone in rather less of a fix than was intended (it'll get the total right, > but misreport anon as file). Andrew, please add this one to your next > push to Linus - thanks. Shall do. -- 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