Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265237AbUFHQjz (ORCPT ); Tue, 8 Jun 2004 12:39:55 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265249AbUFHQjz (ORCPT ); Tue, 8 Jun 2004 12:39:55 -0400 Received: from fw.osdl.org ([65.172.181.6]:39864 "EHLO mail.osdl.org") by vger.kernel.org with ESMTP id S265237AbUFHQjy (ORCPT ); Tue, 8 Jun 2004 12:39:54 -0400 Date: Tue, 8 Jun 2004 09:39:49 -0700 (PDT) From: Linus Torvalds To: Andrew Morton cc: Andrea Arcangeli , linux-kernel@vger.kernel.org, David Howells Subject: Re: downgrade_write replacement in remap_file_pages In-Reply-To: <20040608093111.01a910e9.akpm@osdl.org> Message-ID: References: <20040608154438.GK18083@dualathlon.random> <20040608093111.01a910e9.akpm@osdl.org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 552 Lines: 16 On Tue, 8 Jun 2004, Andrew Morton wrote: > > So ho-hum. As a first step, David, could you please take a look into > what's up with downgrade_write()? One reason why I like Andrea's approach (regardless of downgrade_write()) is that it seems to avoid taking the heavy lock (write) by default. Linus - 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/