Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933320Ab3CGThW (ORCPT ); Thu, 7 Mar 2013 14:37:22 -0500 Received: from mail-ea0-f170.google.com ([209.85.215.170]:42702 "EHLO mail-ea0-f170.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932724Ab3CGThU (ORCPT ); Thu, 7 Mar 2013 14:37:20 -0500 Message-ID: <5138EC6C.6030906@suse.cz> Date: Thu, 07 Mar 2013 20:37:16 +0100 From: Jiri Slaby User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:19.0) Gecko/20130124 Thunderbird/19.0 MIME-Version: 1.0 To: Hillf Danton CC: Daniel J Blueman , Linux Kernel , Steffen Persvold Subject: Re: kswapd craziness round 2 References: <5121C7AF.2090803@numascale-asia.com> <51254AD2.7000906@suse.cz> <512F8D8B.3070307@suse.cz> In-Reply-To: X-Enigmail-Version: 1.6a1pre Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1061 Lines: 41 On 03/01/2013 03:02 PM, Hillf Danton wrote: > On Fri, Mar 1, 2013 at 1:02 AM, Jiri Slaby wrote: >> >> Ok, no difference, kswap is still crazy. I'm attaching the output of >> "grep -vw '0' /proc/vmstat" if you see something there. >> > Thanks to you for test and data. > > Lets try to restore the deleted nap, then. Oh, it seems to be nice now: root 579 0.0 0.0 0 0 ? S Mar04 0:13 [kswapd0] Thanks. > Hillf > --- a/mm/vmscan.c Thu Feb 21 20:01:02 2013 > +++ b/mm/vmscan.c Fri Mar 1 21:55:40 2013 > @@ -2817,6 +2817,10 @@ loop_again: > */ > if (sc.nr_reclaimed >= SWAP_CLUSTER_MAX) > break; > + > + if (sc.priority < DEF_PRIORITY - 2) > + congestion_wait(BLK_RW_ASYNC, HZ/10); > + > } while (--sc.priority >= 0); > > out: > -- > -- js suse labs -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/