Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263271AbTH0Kfo (ORCPT ); Wed, 27 Aug 2003 06:35:44 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263309AbTH0Kfn (ORCPT ); Wed, 27 Aug 2003 06:35:43 -0400 Received: from fw.osdl.org ([65.172.181.6]:4259 "EHLO mail.osdl.org") by vger.kernel.org with ESMTP id S263271AbTH0Kfk (ORCPT ); Wed, 27 Aug 2003 06:35:40 -0400 Date: Wed, 27 Aug 2003 03:38:36 -0700 From: Andrew Morton To: Hugh Dickins Cc: rusty@rustcorp.com.au, mingo@redhat.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH 2/2] Futex non-page-pinning fix Message-Id: <20030827033836.17310dbc.akpm@osdl.org> In-Reply-To: References: <20030827051853.181C92C0C1@lists.samba.org> X-Mailer: Sylpheed version 0.9.4 (GTK+ 1.2.10; i686-pc-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: 649 Lines: 17 Hugh Dickins wrote: > > But I disagree over move_to/from_swap_cache: nothing should > be done there at all. Once you have mapping,index in struct > futex_q, it's irrelevant what tmpfs might be doing to the > page->mapping,page->index of the unmapped page. But move_to_swap_cache() alters a page's ->mapping and ->index when that page is potentially mapped into user pagetables. - 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/