From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by oss.sgi.com (8.14.3/8.14.3/SuSE Linux 0.8) with ESMTP id o0P8W8cR043884 for ; Mon, 25 Jan 2010 02:32:08 -0600 Received: from mx1.suse.de (localhost [127.0.0.1]) by cuda.sgi.com (Spam Firewall) with ESMTP id 9AC3D1C77282 for ; Mon, 25 Jan 2010 00:33:12 -0800 (PST) Received: from mx1.suse.de (cantor.suse.de [195.135.220.2]) by cuda.sgi.com with ESMTP id eLmCOccHDzLIKamp for ; Mon, 25 Jan 2010 00:33:12 -0800 (PST) Date: Mon, 25 Jan 2010 19:33:09 +1100 From: Nick Piggin Subject: Re: [patch 2/2] xfs: use scalable vmap API Message-ID: <20100125083309.GF19664@laptop> References: <20081021082542.GA6974@wotan.suse.de> <20081021082735.GB6974@wotan.suse.de> <20081021120932.GB13348@infradead.org> <20081022093018.GD4359@wotan.suse.de> <20100119121505.GA9428@infradead.org> <20100125075445.GD19664@laptop> <20100125081750.GA20012@infradead.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20100125081750.GA20012@infradead.org> 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: Christoph Hellwig Cc: linux-mm@kvack.org, xfs@oss.sgi.com On Mon, Jan 25, 2010 at 03:17:50AM -0500, Christoph Hellwig wrote: > On Mon, Jan 25, 2010 at 06:54:45PM +1100, Nick Piggin wrote: > > Is this on a 32-bit system with small vmalloc area? > > Yes. OK, I would say it could easily be just due to fragmentation then. > > When the vmap allocation fails, it would be good to basically see the > > alloc_map and dirty_map for each of the vmap_blocks. This is going to be > > a lot of information. Basically for all blocks with > > free+dirty == VMAP_BBMAP_BITS are ones that could be released and you > > could try the alloc again. > > Any easy way to get them? Sorry, not uptodate on your new vmalloc > implementation anymore. Let me try writing a few (tested) patches here first that I can send you. _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs