From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Wed, 23 Jan 2008 10:35:32 -0800 (PST) From: Christoph Lameter Subject: Re: [PATCH] Fix boot problem in situations where the boot CPU is running on a memoryless node In-Reply-To: Message-ID: References: <20080118213011.GC10491@csn.ul.ie> <20080118225713.GA31128@aepfle.de> <20080122195448.GA15567@csn.ul.ie> <20080122214505.GA15674@aepfle.de> <20080123075821.GA17713@aepfle.de> <20080123105044.GD21455@csn.ul.ie> <20080123121459.GA18631@aepfle.de> <20080123125236.GA18876@aepfle.de> <20080123135513.GA14175@csn.ul.ie> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: Pekka J Enberg Cc: Mel Gorman , akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org, "Aneesh Kumar K.V" , hanth Aravamudan , KAMEZAWA Hiroyuki , lee.schermerhorn@hp.com, Linux MM , Olaf Hering List-ID: On Wed, 23 Jan 2008, Pekka J Enberg wrote: > I still think Christoph's kmem_getpages() patch is correct (to fix > cache_grow() oops) but I overlooked the fact that none the callers of > ____cache_alloc_node() deal with bootstrapping (with the exception of > __cache_alloc_node() that even has a comment about it). My patch is useless. kmem_getpages called with nodeid == -1 falls back correctly to the available node. The problem is that the node structures for the page does not exist. > But what I am really wondering about is, why wasn't the > N_NORMAL_MEMORY revert enough? I assume this used to work before so what > more do we need to revert for 2.6.24? I think that is because SLUB relaxed the requirements on having regular memory on the boot node. Now the expectation is that SLAB can do the same. -- 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