From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Tue, 20 May 2008 14:08:55 +0200 From: Ingo Molnar Subject: Re: [PATCH 0/2] panics booting NUMA SPARSEMEM on x86_32 NUMA Message-ID: <20080520120855.GA10080@elte.hu> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: owner-linux-mm@kvack.org Return-Path: To: Andy Whitcroft Cc: Mel Gorman , Thomas Gleixner , Andrew Morton , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Yinghai Lu List-ID: * Andy Whitcroft wrote: > We have been seeing panics booting NUMA SPARSEMEM kernels on x86_32 > hardware, while trying to allocate node local memory in early boot. > These are caused by a miss-allocation of the node pgdat structures > when numa remap is disabled. > > Following this email are two patches, the first reenables numa remap > for SPARSEMEM as the underlying bug has now been fixed. The second > hardens the pgdat allocation in the face of there being no numa remap > for a particular node (which may still occur). applied to -tip, thanks Andy. Ingo -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org