From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from digeo-nav01.digeo.com (digeo-nav01.digeo.com [192.168.1.233]) by packet.digeo.com (8.9.3+Sun/8.9.3) with SMTP id SAA12551 for ; Sat, 21 Sep 2002 18:07:03 -0700 (PDT) Message-ID: <3D8D17B6.D4E1ECAE@digeo.com> Date: Sat, 21 Sep 2002 18:07:02 -0700 From: Andrew Morton MIME-Version: 1.0 Subject: Re: overcommit stuff References: <3D8D066F.1B45E3EA@digeo.com> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Hugh Dickins Cc: Alan Cox , "linux-mm@kvack.org" List-ID: Hugh Dickins wrote: > > ... > > It seems very unlikely (impossible?) that those pages will > > ever become unshared. > > I expect it's very unlikely (short of application bugs) that > those pages would become unshared; but they have been mapped > in such a way that the process is entitled to unshare them, > therefore they have been counted. A good example of why > Linux does not impose strict commit accounting, and why > you may choose not to use Alan's strict accounting policy. > OK, thanks. Just checking. Is glibc mapping executables with PROT_WRITE? If so, doesn't that rather devalue the whole overcommit thing? -- 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/