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 SMTP id 6C4A46B0044 for ; Mon, 14 Dec 2009 19:49:30 -0500 (EST) Received: from m6.gw.fujitsu.co.jp ([10.0.50.76]) by fgwmail6.fujitsu.co.jp (Fujitsu Gateway) with ESMTP id nBF0nRM6014713 for (envelope-from kosaki.motohiro@jp.fujitsu.com); Tue, 15 Dec 2009 09:49:27 +0900 Received: from smail (m6 [127.0.0.1]) by outgoing.m6.gw.fujitsu.co.jp (Postfix) with ESMTP id 7BBF545DE52 for ; Tue, 15 Dec 2009 09:49:27 +0900 (JST) Received: from s6.gw.fujitsu.co.jp (s6.gw.fujitsu.co.jp [10.0.50.96]) by m6.gw.fujitsu.co.jp (Postfix) with ESMTP id 59B6945DE4E for ; Tue, 15 Dec 2009 09:49:27 +0900 (JST) Received: from s6.gw.fujitsu.co.jp (localhost.localdomain [127.0.0.1]) by s6.gw.fujitsu.co.jp (Postfix) with ESMTP id 438091DB8045 for ; Tue, 15 Dec 2009 09:49:27 +0900 (JST) Received: from m108.s.css.fujitsu.com (m108.s.css.fujitsu.com [10.249.87.108]) by s6.gw.fujitsu.co.jp (Postfix) with ESMTP id EFB031DB803E for ; Tue, 15 Dec 2009 09:49:26 +0900 (JST) From: KOSAKI Motohiro Subject: Re: [PATCH v2] vmscan: limit concurrent reclaimers in shrink_zone In-Reply-To: <1260810481.6666.13.camel@dhcp-100-19-198.bos.redhat.com> References: <20091211164651.036f5340@annuminas.surriel.com> <1260810481.6666.13.camel@dhcp-100-19-198.bos.redhat.com> Message-Id: <20091215094815.CDBB.A69D9226@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Date: Tue, 15 Dec 2009 09:49:26 +0900 (JST) Sender: owner-linux-mm@kvack.org To: Larry Woodman Cc: kosaki.motohiro@jp.fujitsu.com, Rik van Riel , akpm@linux-foundation.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, minchan.kim@gmail.com List-ID: > On Fri, 2009-12-11 at 16:46 -0500, Rik van Riel wrote: > > Rik, the latest patch appears to have a problem although I dont know > what the problem is yet. When the system ran out of memory we see > thousands of runnable processes and 100% system time: > > > 9420 2 29824 79856 62676 19564 0 0 0 0 8054 379 0 > 100 0 0 0 > 9420 2 29824 79368 62292 19564 0 0 0 0 8691 413 0 > 100 0 0 0 > 9421 1 29824 79780 61780 19820 0 0 0 0 8928 408 0 > 100 0 0 0 > > The system would not respond so I dont know whats going on yet. I'll > add debug code to figure out why its in that state as soon as I get > access to the hardware. > > Larry There are 9421 running processces. it mean concurrent task limitation don't works well. hmm? -- 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