From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758857Ab2CAKO3 (ORCPT ); Thu, 1 Mar 2012 05:14:29 -0500 Received: from zene.cmpxchg.org ([85.214.230.12]:47256 "EHLO zene.cmpxchg.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758803Ab2CAKO2 (ORCPT ); Thu, 1 Mar 2012 05:14:28 -0500 Date: Thu, 1 Mar 2012 11:13:54 +0100 From: Johannes Weiner To: Fengguang Wu Cc: Andrew Morton , Greg Thelen , Jan Kara , Ying Han , KAMEZAWA Hiroyuki , Rik van Riel , Johannes Weiner , Linux Memory Management List , LKML Subject: Re: [PATCH 8/9] mm: dont set __GFP_WRITE on ramfs/sysfs writes Message-ID: <20120301101354.GD1665@cmpxchg.org> References: <20120228140022.614718843@intel.com> <20120228144747.440418051@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20120228144747.440418051@intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Feb 28, 2012 at 10:00:30PM +0800, Fengguang Wu wrote: > Try to avoid page reclaim waits when writing to ramfs/sysfs etc. > > Maybe not a big deal... This looks like a separate fix that would make sense standalone. It's not just the waits, there is not much of a point in skipping zones during allocation based on the dirty usage which they'll never contribute to. Could you maybe pull this up front? > CC: Johannes Weiner > Signed-off-by: Fengguang Wu Acked-by: Johannes Weiner