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Date: Tue, 30 Jun 2009 04:08:58 +0900 From: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com> To: Andrew Morton <akpm@...ux-foundation.org> Cc: David Howells <dhowells@...hat.com>, Minchan Kim <minchan.kim@...il.com>, Wu Fengguang <fengguang.wu@...el.com>, Johannes Weiner <hannes@...xchg.org>, "riel@...hat.com" <riel@...hat.com>, LKML <linux-kernel@...r.kernel.org>, Christoph Lameter <cl@...ux-foundation.org>, "peterz@...radead.org" <peterz@...radead.org>, "tytso@....edu" <tytso@....edu>, "linux-mm@...ck.org" <linux-mm@...ck.org>, "elladan@...imo.com" <elladan@...imo.com>, "npiggin@...e.de" <npiggin@...e.de>, "Barnes, Jesse" <jesse.barnes@...el.com>, KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com> Subject: Re: Found the commit that causes the OOMs 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 anon) > + one kernel stack page (i.e. one unaccount page) + one pagetable page. > > In my 1GB box environment, default msgmni is 11969. > Oh well, the system physical ram (255744) is less than needed pages (11969 * 3). wrong) 11969 * 3 correct) 119690 * 3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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