From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail138.messagelabs.com (mail138.messagelabs.com [216.82.249.35]) by kanga.kvack.org (Postfix) with ESMTP id E4A4E8D003B for ; Mon, 28 Mar 2011 02:37:07 -0400 (EDT) Date: Mon, 28 Mar 2011 08:36:56 +0200 From: Ingo Molnar Subject: Re: [PATCH] slub: Disable the lockless allocator Message-ID: <20110328063656.GA29462@elte.hu> References: <1301161507.2979.105.camel@edumazet-laptop> <4D9026C8.6060905@cs.helsinki.fi> <20110328061929.GA24328@elte.hu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: owner-linux-mm@kvack.org List-ID: To: Pekka Enberg Cc: Pekka Enberg , Christoph Lameter , Linus Torvalds , Eric Dumazet , Thomas Gleixner , akpm@linux-foundation.org, tj@kernel.org, npiggin@kernel.dk, rientjes@google.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org * Pekka Enberg wrote: > On Mon, Mar 28, 2011 at 9:19 AM, Ingo Molnar wrote: > >> Tejun, does this look good to you as well? I think it should go > >> through the percpu tree. It's needed to fix a boot crash with > >> lockless SLUB fastpaths enabled. > > > > AFAICS Linus applied it already: > > > > d7c3f8cee81f: percpu: Omit segment prefix in the UP case for cmpxchg_double > > Oh, I missed that. Did you test the patch, Ingo? It's missing attributions > and reference to the LKML discussion unfortunately... I think we might still be missing the hunk below - or is it now not needed anymore? Thanks, Ingo -------------->