From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from out1-smtp.messagingengine.com ([66.111.4.25]:52712 "EHLO out1-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932115AbdC1LoU (ORCPT ); Tue, 28 Mar 2017 07:44:20 -0400 Date: Tue, 28 Mar 2017 13:43:45 +0200 From: Greg KH Subject: Re: Request 2aa6ba7b5ad3 ("clear _XBF_PAGES from buffers when readahead page") for 4.4 stable inclusion Message-ID: <20170328114345.GA17359@kroah.com> References: <20170325074856.GA20773@localhost> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20170325074856.GA20773@localhost> Sender: linux-xfs-owner@vger.kernel.org List-ID: List-Id: xfs To: Ivan Kozik Cc: stable@vger.kernel.org, linux-xfs@vger.kernel.org, darrick.wong@oracle.com, bfoster@redhat.com, david@fromorbit.com On Sat, Mar 25, 2017 at 07:49:00AM +0000, Ivan Kozik wrote: > Hi, > > I would like to request that this patch be included in the 4.4 stable tree. It > fixes the Bad page state issue discovered at > http://oss.sgi.com/archives/xfs/2016-08/msg00617.html ('"Bad page state" errors > when calling BULKSTAT under memory pressure?') > > I tested the patch (no changes needed) by applying it to 4.4.52, running a > program to use almost all of my free memory, then running xfs_fsr on a > filesystem with > 1.5M files. Before patch: kernel screams with Bad page state > / "count:-1" within a minute. After patch: no complaints from the kernel. > I repeated the test several times and on another machine that was affected. > I have not seen any problems five days later. Now queued up, thanks. greg k-h