From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Tue, 4 Mar 2008 12:01:29 -0800 (PST) From: Christoph Lameter Subject: Re: [BUG] 2.6.25-rc3-mm1 kernel panic while bootup on powerpc () In-Reply-To: <84144f020803041141x5bb55832r495d7fde92356e27@mail.gmail.com> Message-ID: References: <20080304011928.e8c82c0c.akpm@linux-foundation.org> <47CD4AB3.3080409@linux.vnet.ibm.com> <20080304103636.3e7b8fdd.akpm@linux-foundation.org> <47CDA081.7070503@cs.helsinki.fi> <20080304193532.GC9051@csn.ul.ie> <84144f020803041141x5bb55832r495d7fde92356e27@mail.gmail.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: Pekka Enberg Cc: Mel Gorman , Andrew Morton , Kamalesh Babulal , linuxppc-dev@ozlabs.org, Andy Whitcroft , linux-mm@kvack.org List-ID: On Tue, 4 Mar 2008, Pekka Enberg wrote: > > > >> [c000000009edf5f0] [c0000000000b56e4] .__alloc_pages_internal+0xf8/0x470 > > > >> [c000000009edf6e0] [c0000000000e0458] .kmem_getpages+0x8c/0x194 > > > >> [c000000009edf770] [c0000000000e1050] .fallback_alloc+0x194/0x254 > > > >> [c000000009edf820] [c0000000000e14b0] .kmem_cache_alloc+0xd8/0x144 Ahh! This is SLAB. slub does not suffer this problem since new_slab() masks the bits correctly. So we need to fix SLAB. -- 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