Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751278AbVKEHRw (ORCPT ); Sat, 5 Nov 2005 02:17:52 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751313AbVKEHRw (ORCPT ); Sat, 5 Nov 2005 02:17:52 -0500 Received: from smtp.osdl.org ([65.172.181.4]:64175 "EHLO smtp.osdl.org") by vger.kernel.org with ESMTP id S1751278AbVKEHRw (ORCPT ); Sat, 5 Nov 2005 02:17:52 -0500 Date: Fri, 4 Nov 2005 23:17:41 -0800 From: Andrew Morton To: Hugh Dickins Cc: torvalds@osdl.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] mm: poison struct page for ptlock Message-Id: <20051104231741.2e7c39af.akpm@osdl.org> In-Reply-To: References: <20051104213225.39d4c2a3.akpm@osdl.org> 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: 783 Lines: 15 Hugh Dickins wrote: > > I'm happy for people to use page->private again. I thought we > ought to try out this minimal patch first, for reassurance that the > arches are not using those fields of a pagetable struct page; but that > once it's had some exposure, we'd revert the page_private mods elsewhere. > There's no point to that wrapper with the union gone, is there? I'd be inclined to leave it there - we wrap access to most of the rest of struct page. It might come in handy for the next brainwave - dunno. - 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/