From mboxrd@z Thu Jan 1 00:00:00 1970 From: John Paul Adrian Glaubitz Subject: Re: [3.13 regression] kswapd0 and ksoftirqd/0 CPU hogs Date: Tue, 31 May 2016 12:39:52 +0200 Message-ID: <2782d89d-8baa-c4b1-b1cc-4a48008ef1fa@physik.fu-berlin.de> References: <21393.43065.207399.530921@gargle.gargle.HOWL> <21426.40682.197715.245775@gargle.gargle.HOWL> <21786.40688.53001.509365@gargle.gargle.HOWL> <22217.61083.254294.356622@gargle.gargle.HOWL> <22349.25130.697316.272584@gargle.gargle.HOWL> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Return-path: Received: from outpost1.zedat.fu-berlin.de ([130.133.4.66]:37930 "EHLO outpost1.zedat.fu-berlin.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751325AbcEaKjz (ORCPT ); Tue, 31 May 2016 06:39:55 -0400 In-Reply-To: Sender: linux-m68k-owner@vger.kernel.org List-Id: linux-m68k@vger.kernel.org To: Geert Uytterhoeven , Mikael Pettersson Cc: Finn Thain , Michael Schmitz , Andreas Schwab , Linux/m68k On 05/31/2016 12:21 PM, Geert Uytterhoeven wrote: > That's upstream commit c33bd8354f3a3bb26a98d2b6bf600b7b35657328? > > Well done! Looks indeed like a suspect for the behavior you're seeing. > I suppose you will follow up with the mm people? Yay, great news. I'm currently building a native GHC package for Debian/m68k on Aranym and [kswapd] is taking around half of the CPU load. The suggestion with drop_caches doesn't help all the time, unfortunately, so I'm really looking forward getting this fixed :). Adrian -- .''`. John Paul Adrian Glaubitz : :' : Debian Developer - glaubitz@debian.org `. `' Freie Universitaet Berlin - glaubitz@physik.fu-berlin.de `- GPG: 62FF 8A75 84E0 2956 9546 0006 7426 3B37 F5B5 F913