From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail137.messagelabs.com (mail137.messagelabs.com [216.82.249.19]) by kanga.kvack.org (Postfix) with SMTP id 86F0A6B004D for ; Mon, 29 Jun 2009 15:08:44 -0400 (EDT) Received: by qyk29 with SMTP id 29so5123980qyk.12 for ; Mon, 29 Jun 2009 12:08:58 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <2f11576a0906291154j727165e0nebdc3813d7af3158@mail.gmail.com> References: <2f11576a0906290048t29667ae0sd75c96d023b113e2@mail.gmail.com> <26537.1246086769@redhat.com> <20090627125412.GA1667@cmpxchg.org> <20090628113246.GA18409@localhost> <28c262360906280630n557bb182n5079e33d21ea4a83@mail.gmail.com> <2f11576a0906280749v25ab725dn8f98fbc1d2e5a5fd@mail.gmail.com> <28c262360906280947o6f9358ddh20ab549e875282a9@mail.gmail.com> <17087.1246279435@redhat.com> <20090629095729.cc9f183c.akpm@linux-foundation.org> <2f11576a0906291154j727165e0nebdc3813d7af3158@mail.gmail.com> Date: Tue, 30 Jun 2009 04:08:58 +0900 Message-ID: <2f11576a0906291208q4e924258w589c8017ae8a0b6e@mail.gmail.com> Subject: Re: Found the commit that causes the OOMs From: KOSAKI Motohiro Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Sender: owner-linux-mm@kvack.org To: Andrew Morton Cc: David Howells , Minchan Kim , Wu Fengguang , Johannes Weiner , "riel@redhat.com" , LKML , Christoph Lameter , "peterz@infradead.org" , "tytso@mit.edu" , "linux-mm@kvack.org" , "elladan@eskimo.com" , "npiggin@suse.de" , "Barnes, Jesse" , KAMEZAWA Hiroyuki List-ID: typo. > OK. we need learn testcase more. > > [read test program source code... ] > > this program makes `cat /proc/sys/kernel/msgmni` * 10 processes. > At least, one process creation need one userland stack page (i.e. one ano= n) > + one kernel stack page (i.e. one unaccount page) + one pagetable page. > > In my 1GB box environment, =A0default msgmni is 11969. > Oh well, the system physical ram (255744) is less than needed pages (1196= 9 * 3). wrong) 11969 * 3 correct) 119690 * 3 -- 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