From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail6.bemta7.messagelabs.com (mail6.bemta7.messagelabs.com [216.82.255.55]) by kanga.kvack.org (Postfix) with ESMTP id C88666B00E8 for ; Tue, 19 Jul 2011 04:45:18 -0400 (EDT) Received: by qyk4 with SMTP id 4so2798949qyk.14 for ; Tue, 19 Jul 2011 01:45:16 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <1311059367.15392.299.camel@sli10-conroe> References: <1311059367.15392.299.camel@sli10-conroe> Date: Tue, 19 Jul 2011 17:45:16 +0900 Message-ID: Subject: Re: [PATCH]vmscan: fix a livelock in kswapd From: Minchan Kim Content-Type: text/plain; charset=UTF-8 Sender: owner-linux-mm@kvack.org List-ID: To: Shaohua Li Cc: Andrew Morton , mgorman@suse.de, linux-mm , lkml On Tue, Jul 19, 2011 at 4:09 PM, Shaohua Li wrote: > I'm running a workload which triggers a lot of swap in a machine with 4 nodes. > After I kill the workload, I found a kswapd livelock. Sometimes kswapd3 or > kswapd2 are keeping running and I can't access filesystem, but most memory is > free. This looks like a regression since commit 08951e545918c159. Could you tell me what is 08951e545918c159? You mean [ebd64e21ec5a, mm-vmscan-only-read-new_classzone_idx-from-pgdat-when-reclaiming-successfully] ? -- 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/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org