From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx199.postini.com [74.125.245.199]) by kanga.kvack.org (Postfix) with SMTP id B88116B0062 for ; Tue, 4 Dec 2012 11:16:36 -0500 (EST) Date: Tue, 4 Dec 2012 11:15:33 -0500 From: Johannes Weiner Subject: Re: kswapd craziness in 3.7 Message-ID: <20121204161533.GC24381@cmpxchg.org> References: <1354049315-12874-1-git-send-email-hannes@cmpxchg.org> <20121128094511.GS8218@suse.de> <50BCC3E3.40804@redhat.com> <20121203191858.GY24381@cmpxchg.org> <50BDBCD9.9060509@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <50BDBCD9.9060509@redhat.com> Sender: owner-linux-mm@kvack.org List-ID: To: Zdenek Kabelac Cc: Mel Gorman , Andrew Morton , Rik van Riel , George Spelvin , Johannes Hirte , Thorsten Leemhuis , Tomas Racek , Jan Kara , Dave Hansen , Josh Boyer , Valdis.Kletnieks@vt.edu, Jiri Slaby , Bruno Wolff III , Linus Torvalds , linux-mm@kvack.org, linux-kernel@vger.kernel.org On Tue, Dec 04, 2012 at 10:05:29AM +0100, Zdenek Kabelac wrote: > Dne 3.12.2012 20:18, Johannes Weiner napsal(a): > >Szia Zdenek, > > > >On Mon, Dec 03, 2012 at 04:23:15PM +0100, Zdenek Kabelac wrote: > >>Ok, bad news - I've been hit by kswapd0 loop again - > >>my kernel git commit cc19528bd3084c3c2d870b31a3578da8c69952f3 again > >>shown kswapd0 for couple minutes on CPU. > >> > >>It seemed to go instantly away when I've drop caches > >>(echo 3 >/proc/sys/vm/drop_cache) > >>(After that I've had over 1G free memory) > > > >Any chance you could retry with this patch on top? > > > >--- > >From: Johannes Weiner > >Subject: [patch] mm: vmscan: do not keep kswapd looping forever due > > to individual uncompactable zones > > > >--- > > mm/vmscan.c | 16 ---------------- > > 1 file changed, 16 deletions(-) > > > >diff --git a/mm/vmscan.c b/mm/vmscan.c > > > Ok, I'm running now b69f0859dc8e633c5d8c06845811588fe17e68b3 (-rc8) > with your patch. I'll be able to give some feedback after couple > days (if I keep my machine running without reboot - since before > I had occasional problems with ACPI now resolved. > (https://bugzilla.kernel.org/show_bug.cgi?id=51071) > (patch not yet in -rc8) > I'm also using this extra patch: https://patchwork.kernel.org/patch/1792531/ Okay, fingers crossed! Thanks for persisting. > What seems to be triggering condition on my machine - running laptop > for some days - and having Thunderbird reaching 0.8G (I guess they > must keep all my news messages in memory to consume that size) and > Firefox 1.3GB of consumed > memory (assuming massive leaking with combination of flash) Were you able speed this process up in the past? I.e. by doing a search over all mail? Watching 8 nyan cat videos in parallel? If not, it's probably better not to change anything now... Thanks! -- 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