From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 25 Sep 2001 18:03:57 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 25 Sep 2001 18:03:40 -0400 Received: from [195.223.140.107] ([195.223.140.107]:20208 "EHLO athlon.random") by vger.kernel.org with ESMTP id ; Tue, 25 Sep 2001 18:03:23 -0400 Date: Wed, 26 Sep 2001 00:03:47 +0200 From: Andrea Arcangeli To: Benjamin LaHaise Cc: "David S. Miller" , marcelo@conectiva.com.br, torvalds@transmeta.com, linux-kernel@vger.kernel.org Subject: Re: Locking comment on shrink_caches() Message-ID: <20010926000347.H8350@athlon.random> In-Reply-To: <20010925.131528.78383994.davem@redhat.com> <20010925.132905.32720330.davem@redhat.com> <20010925170055.B19494@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20010925170055.B19494@redhat.com>; from bcrl@redhat.com on Tue, Sep 25, 2001 at 05:00:55PM -0400 X-GnuPG-Key-URL: http://e-mind.com/~andrea/aa.gnupg.asc X-PGP-Key-URL: http://e-mind.com/~andrea/aa.asc Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Sep 25, 2001 at 05:00:55PM -0400, Benjamin LaHaise wrote: > even worse. I'd rather try to use some of the rcu techniques for > page cache lookup, and per-page locking for page cache removal > which will lead to *cleaner* code as well as a much more scalable I don't think rcu fits there, truncations and releasing must be extremely efficient too. Andrea