From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756140Ab1EPP1D (ORCPT ); Mon, 16 May 2011 11:27:03 -0400 Received: from zene.cmpxchg.org ([85.214.230.12]:52403 "EHLO zene.cmpxchg.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755769Ab1EPP1A (ORCPT ); Mon, 16 May 2011 11:27:00 -0400 Date: Mon, 16 May 2011 17:26:49 +0200 From: Johannes Weiner To: Mel Gorman Cc: Andrew Morton , James Bottomley , Colin King , Raghavendra D Prabhu , Jan Kara , Chris Mason , Christoph Lameter , Pekka Enberg , Rik van Riel , Minchan Kim , linux-fsdevel , linux-mm , linux-kernel , linux-ext4 , stable Subject: Re: [PATCH 2/2] mm: vmscan: If kswapd has been running too long, allow it to sleep Message-ID: <20110516152649.GU16531@cmpxchg.org> References: <1305558417-24354-1-git-send-email-mgorman@suse.de> <1305558417-24354-3-git-send-email-mgorman@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1305558417-24354-3-git-send-email-mgorman@suse.de> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, May 16, 2011 at 04:06:57PM +0100, Mel Gorman wrote: > Under constant allocation pressure, kswapd can be in the situation where > sleeping_prematurely() will always return true even if kswapd has been > running a long time. Check if kswapd needs to be scheduled. > > Signed-off-by: Mel Gorman > Acked-by: Rik van Riel Acked-by: Johannes Weiner