Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756945Ab0HQInD (ORCPT ); Tue, 17 Aug 2010 04:43:03 -0400 Received: from casper.infradead.org ([85.118.1.10]:47866 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752583Ab0HQInB convert rfc822-to-8bit (ORCPT ); Tue, 17 Aug 2010 04:43:01 -0400 Subject: Re: [PATCH] Fixed a mismatch between the users of radix_tree and the implementation. From: Peter Zijlstra To: Salman Qazi Cc: paulmck@us.ibm.com, akpm@linux-foundation.org, linux-kernel@vger.kernel.org, adurbin@google.com, Nick Piggin In-Reply-To: References: <20100816182834.3541.42317.stgit@bumblebee1.mtv.corp.google.com> <1281987236.1926.1895.camel@laptop> <1281992801.1926.2019.camel@laptop> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT Date: Tue, 17 Aug 2010 10:42:51 +0200 Message-ID: <1282034571.1926.2143.camel@laptop> Mime-Version: 1.0 X-Mailer: Evolution 2.28.3 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 683 Lines: 15 On Mon, 2010-08-16 at 21:45 -0700, Salman Qazi wrote: > But considering that the kernel locks up, and we are still talking > about < 5MB after a kernel compile, should we really be all that > concerned? If so, what are the alternatives that should be considered > for fixing this lock up? No bright ideas atm, but yeah, that indirect pointer vs rcu slot lookup is funky. Lets go with your patch for now. Maybe Nick has a bright idea? -- 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/