From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f41.google.com (mail-pa0-f41.google.com [209.85.220.41]) by kanga.kvack.org (Postfix) with ESMTP id A47366B0257 for ; Sun, 15 Nov 2015 09:13:34 -0500 (EST) Received: by pacdm15 with SMTP id dm15so147084366pac.3 for ; Sun, 15 Nov 2015 06:13:34 -0800 (PST) Received: from www262.sakura.ne.jp (www262.sakura.ne.jp. [2001:e42:101:1:202:181:97:72]) by mx.google.com with ESMTPS id tx3si43416679pbc.224.2015.11.15.06.13.33 for (version=TLS1 cipher=AES128-SHA bits=128/128); Sun, 15 Nov 2015 06:13:33 -0800 (PST) Subject: Re: memory reclaim problems on fs usage From: Tetsuo Handa References: <201511102313.36685.arekm@maven.pl> <201511142140.38245.arekm@maven.pl> <201511151135.JGD81717.OFOOSMFJFQHVtL@I-love.SAKURA.ne.jp> <201511151229.23312.arekm@maven.pl> In-Reply-To: <201511151229.23312.arekm@maven.pl> Message-Id: <201511152313.IJI23764.OHVFJFMSFOtOLQ@I-love.SAKURA.ne.jp> Date: Sun, 15 Nov 2015 23:13:23 +0900 Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: owner-linux-mm@kvack.org List-ID: To: arekm@maven.pl Cc: htejun@gmail.com, cl@linux.com, mhocko@suse.com, linux-mm@kvack.org, xfs@oss.sgi.com Arkadiusz Miskiewicz wrote: > On Sunday 15 of November 2015, Tetsuo Handa wrote: > > I think that the vmstat statistics now have correct values. > > > > > But are these patches solving the problem or just hiding it? > > > > Excuse me but I can't judge. > > > > If you are interested in monitoring how vmstat statistics are changing > > under stalled condition, you can try below patch. > > > Here is log with this and all previous patches applied: > http://ixion.pld-linux.org/~arekm/log-mm-5.txt.gz Regarding "Node 0 Normal" (min:7104kB low:8880kB high:10656kB), all free: values look sane to me. I think that your problem was solved. $ grep "Normal free:" log-mm-5.txt | cut -b 44- | awk -F' ' ' { print $4 } ' | cut -b 6- | sort -g 8608kB 8636kB 8920kB 8920kB 8952kB 8968kB 8980kB (...snipped...) 215364kB 290068kB 290428kB 291176kB 292836kB 303992kB 306468kB 318080kB 319548kB $ grep "Normal free:" log-mm-1.txt | cut -b 44- | awk -F' ' ' { print $4 } ' | cut -b 6- | sort -g 0kB 40kB 128kB 128kB 128kB 128kB 128kB 128kB 128kB 128kB (...snipped...) 412kB 616kB 1268kB 1544kB 1696kB 2756kB 2756kB 2756kB 2756kB 2756kB 2756kB 2756kB -- 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