From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx143.postini.com [74.125.245.143]) by kanga.kvack.org (Postfix) with SMTP id DD1736B0044 for ; Thu, 20 Sep 2012 03:34:40 -0400 (EDT) Date: Thu, 20 Sep 2012 16:37:19 +0900 From: Minchan Kim Subject: Re: [PATCH v3] memory-hotplug: fix zone stat mismatch Message-ID: <20120920073719.GH13234@bbox> References: <1348123405-30641-1-git-send-email-minchan@kernel.org> <505AC3E9.4030009@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <505AC3E9.4030009@jp.fujitsu.com> Sender: owner-linux-mm@kvack.org List-ID: To: Yasuaki Ishimatsu Cc: Andrew Morton , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Kamezawa Hiroyuki , KOSAKI Motohiro Hi Yasuaki, On Thu, Sep 20, 2012 at 04:21:13PM +0900, Yasuaki Ishimatsu wrote: > Hi Minchan, > > Sorry for late reply. > > 2012/09/20 15:43, Minchan Kim wrote: > > During memory-hotplug, I found NR_ISOLATED_[ANON|FILE] > > are increasing so that kernel are hang out. > > Why does your system hang out by increasing NR_ISOLATED_[ANON|FILE]? > I cannot understand what has happened by your system. If system doesn't have enough free page, it goes reclaim path and never reclaim any pages by too_many_isolated and loop forever. -- Kind regards, Minchan Kim -- 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