Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759517AbXH0WPm (ORCPT ); Mon, 27 Aug 2007 18:15:42 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754301AbXH0WPe (ORCPT ); Mon, 27 Aug 2007 18:15:34 -0400 Received: from netops-testserver-3-out.sgi.com ([192.48.171.28]:47497 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751640AbXH0WPd (ORCPT ); Mon, 27 Aug 2007 18:15:33 -0400 Date: Mon, 27 Aug 2007 15:15:32 -0700 (PDT) From: Christoph Lameter X-X-Sender: clameter@schroedinger.engr.sgi.com To: Peter Zijlstra cc: Mathieu Desnoyers , akpm@linux-foundation.org, linux-kernel@vger.kernel.org, mingo@redhat.com Subject: Re: [PATCH] SLUB use cmpxchg_local In-Reply-To: Message-ID: References: <20070820201519.512791382@polymtl.ca> <20070820201822.597720007@polymtl.ca> <20070820204126.GA22507@Krystal> <20070820212922.GA27011@Krystal> <20070820215413.GA28452@Krystal> <20070821173849.GA8360@Krystal> <1188197539.6114.426.camel@twins> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 442 Lines: 9 Hmmmm. One wild idea would be to use a priority futex for the slab lock? That would make the slow paths interrupt safe without requiring interrupt disable? Does a futex fit into the page struct? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/