From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail138.messagelabs.com (mail138.messagelabs.com [216.82.249.35]) by kanga.kvack.org (Postfix) with SMTP id 5B53A6B01EE for ; Tue, 6 Apr 2010 11:37:54 -0400 (EDT) Received: by pzk36 with SMTP id 36so510558pzk.24 for ; Tue, 06 Apr 2010 08:37:51 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <1270224168-14775-15-git-send-email-mel@csn.ul.ie> References: <1270224168-14775-1-git-send-email-mel@csn.ul.ie> <1270224168-14775-15-git-send-email-mel@csn.ul.ie> Date: Wed, 7 Apr 2010 00:37:50 +0900 Message-ID: Subject: Re: [PATCH 14/14] mm,migration: Allow the migration of PageSwapCache pages From: Minchan Kim Content-Type: text/plain; charset=UTF-8 Sender: owner-linux-mm@kvack.org To: Mel Gorman Cc: Andrew Morton , Andrea Arcangeli , Christoph Lameter , Adam Litke , Avi Kivity , David Rientjes , KAMEZAWA Hiroyuki , KOSAKI Motohiro , Rik van Riel , linux-kernel@vger.kernel.org, linux-mm@kvack.org List-ID: On Sat, Apr 3, 2010 at 1:02 AM, Mel Gorman wrote: > PageAnon pages that are unmapped may or may not have an anon_vma so are > not currently migrated. However, a swap cache page can be migrated and > fits this description. This patch identifies page swap caches and allows > them to be migrated but ensures that no attempt to made to remap the pages > would would potentially try to access an already freed anon_vma. > > Signed-off-by: Mel Gorman Reviewed-by: Minchan Kim Thanks for your effort, Mel. -- 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