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 ESMTP id 57CBD6B004A for ; Thu, 18 Nov 2010 06:16:08 -0500 (EST) Received: from kpbe16.cbf.corp.google.com (kpbe16.cbf.corp.google.com [172.25.105.80]) by smtp-out.google.com with ESMTP id oAIBG3CP008025 for ; Thu, 18 Nov 2010 03:16:06 -0800 Received: from qyk38 (qyk38.prod.google.com [10.241.83.166]) by kpbe16.cbf.corp.google.com with ESMTP id oAIBG2jU032627 for ; Thu, 18 Nov 2010 03:16:02 -0800 Received: by qyk38 with SMTP id 38so7331810qyk.16 for ; Thu, 18 Nov 2010 03:16:02 -0800 (PST) MIME-Version: 1.0 In-Reply-To: References: <20101109115540.BC3F.A69D9226@jp.fujitsu.com> <20101112142038.E002.A69D9226@jp.fujitsu.com> Date: Thu, 18 Nov 2010 03:16:02 -0800 Message-ID: Subject: Re: RFC: reviving mlock isolation dead code From: Michel Lespinasse Content-Type: text/plain; charset=ISO-8859-1 Sender: owner-linux-mm@kvack.org To: Hugh Dickins Cc: KOSAKI Motohiro , Peter Zijlstra , Nick Piggin , Arjan van de Ven , linux-mm , Andrea Arcangeli List-ID: On Tue, Nov 16, 2010 at 3:28 PM, Hugh Dickins wrote: > Yes, in fact, is anything required beyond Peter's original simple patch? I initially thought there would be a problem with breaking COW on anon pages (think of fork() + mlock() ), but then I realized these won't show up in VM_SHARED vmas, so Peter's patch seems fine. > Added Ccs of those most likely to agree or disagree with us. I forgot to add Arjan and Andrea in my proposal ('Avoid dirtying pages during mlock'). Let's move the discussion there. -- Michel "Walken" Lespinasse A program is never fully debugged until the last user dies. -- 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 policy in Canada: sign http://dissolvethecrtc.ca/ Don't email: email@kvack.org