From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934474AbXGXLW0 (ORCPT ); Tue, 24 Jul 2007 07:22:26 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1759146AbXGXLWS (ORCPT ); Tue, 24 Jul 2007 07:22:18 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:44360 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754473AbXGXLWS (ORCPT ); Tue, 24 Jul 2007 07:22:18 -0400 Date: Tue, 24 Jul 2007 13:22:00 +0200 From: Ingo Molnar To: Andrew Morton Cc: linux-kernel@vger.kernel.org, Hugh Dickins , Benjamin Herrenschmidt Subject: Re: [patch] mm: reduce pagetable-freeing latencies Message-ID: <20070724112200.GA4912@elte.hu> References: <20070724083855.GA858@elte.hu> <20070724015441.8604d85d.akpm@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20070724015441.8604d85d.akpm@linux-foundation.org> User-Agent: Mutt/1.5.14 (2007-02-12) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.0 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.0 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.1.7-deb -1.0 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org * Andrew Morton wrote: > What a truly putrid patch. I am suspecting that this was a quick > get-you-out-of-trouble thing, which then got forgotten about. > > We have two months to do the "right fix". Please? sure. Just wanted to bring attention to this issue - the regression got introduced in v2.6.15. I'd be happy to test-drive Ben's patch in -rt. Ingo