Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750828AbVKJMwB (ORCPT ); Thu, 10 Nov 2005 07:52:01 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750831AbVKJMwA (ORCPT ); Thu, 10 Nov 2005 07:52:00 -0500 Received: from smtp.osdl.org ([65.172.181.4]:12496 "EHLO smtp.osdl.org") by vger.kernel.org with ESMTP id S1750828AbVKJMv7 (ORCPT ); Thu, 10 Nov 2005 07:51:59 -0500 Date: Thu, 10 Nov 2005 04:51:44 -0800 From: Andrew Morton To: Hugh Dickins Cc: mingo@elte.hu, linux-kernel@vger.kernel.org, torvalds@osdl.org Subject: Re: [PATCH 01/15] mm: poison struct page for ptlock Message-Id: <20051110045144.40751a42.akpm@osdl.org> In-Reply-To: References: <20051109181022.71c347d4.akpm@osdl.org> <20051109185645.39329151.akpm@osdl.org> <20051110120624.GB32672@elte.hu> X-Mailer: Sylpheed version 1.0.4 (GTK+ 1.2.10; i386-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 596 Lines: 16 Hugh Dickins wrote: > > On Thu, 10 Nov 2005, Ingo Molnar wrote: > > > > yuck. What is the real problem btw? AFAICS there's enough space for a > > 2-word spinlock in struct page for pagetables. > > Yes. There is no real problem. But my patch offends good taste. > Isn't it going to overrun page.lru with CONFIG_DEBUG_SPINLOCK? - 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/