From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by oss.sgi.com (8.14.3/8.14.3/SuSE Linux 0.8) with ESMTP id pB9Jrfd0232205 for ; Fri, 9 Dec 2011 13:53:41 -0600 Received: from mga11.intel.com (localhost [127.0.0.1]) by cuda.sgi.com (Spam Firewall) with ESMTP id 295E12B03E7 for ; Fri, 9 Dec 2011 11:53:38 -0800 (PST) Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by cuda.sgi.com with ESMTP id SwxSnUP5Q09VxHGj for ; Fri, 09 Dec 2011 11:53:38 -0800 (PST) From: Andi Kleen Subject: Re: XFS causing stack overflow References: <20111209115513.GA19994__23079.9863501035$1323435203$gmane$org@infradead.org> Date: Fri, 09 Dec 2011 11:53:36 -0800 In-Reply-To: <20111209115513.GA19994__23079.9863501035$1323435203$gmane$org@infradead.org> (Christoph Hellwig's message of "Fri, 9 Dec 2011 06:55:13 -0500") Message-ID: MIME-Version: 1.0 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, "Ryan C. England" Christoph Hellwig writes: > > You probably have only a third of the stack actually used by XFS, the > rest is from NFSD/writeback code and page reclaim. I don't think any > of this is easily fixable in a 2.6.32 codebase. Current mainline 3.2-rc > now has the I/O-less balance dirty pages which will basically split the > stack footprint in half, but it's an invasive change to the writeback > code that isn't easily backportable. An easy fix would be 16k stacks. Don't think they're that difficult to do, but would need a special binary. -Andi -- ak@linux.intel.com -- Speaking for myself only _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs