From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (8.14.3/8.14.3/SuSE Linux 0.8) with ESMTP id p2PKvd4V245783 for ; Fri, 25 Mar 2011 15:57:40 -0500 Subject: Re: [PATCH 2/6] vmap: flush vmap aliases when mapping fails From: Alex Elder In-Reply-To: <1300860870-15471-3-git-send-email-david@fromorbit.com> References: <1300860870-15471-1-git-send-email-david@fromorbit.com> <1300860870-15471-3-git-send-email-david@fromorbit.com> Date: Fri, 25 Mar 2011 16:00:43 -0500 Message-ID: <1301086843.2537.680.camel@doink> Mime-Version: 1.0 Reply-To: aelder@sgi.com List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: xfs-bounces@oss.sgi.com Errors-To: xfs-bounces@oss.sgi.com To: Dave Chinner Cc: xfs@oss.sgi.com On Wed, 2011-03-23 at 17:14 +1100, Dave Chinner wrote: > From: Dave Chinner > > On 32 bit systems, vmalloc space is limited and XFS can chew through > it quickly as the vmalloc space is lazily freed. This can result in > failure to map buffers, even when there is apparently large amounts > of vmalloc space available. Hence, if we fail to map a buffer, purge > the aliases that have not yet been freed to hopefuly free up enough > vmalloc space to allow a retry to succeed. Looks good. Reviewed-by: Alex Elder > Signed-off-by: Dave Chinner > Reviewed-by: Christoph Hellwig . . . _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs