Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262467AbTH2EOb (ORCPT ); Fri, 29 Aug 2003 00:14:31 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264389AbTH2EOb (ORCPT ); Fri, 29 Aug 2003 00:14:31 -0400 Received: from fw.osdl.org ([65.172.181.6]:49799 "EHLO mail.osdl.org") by vger.kernel.org with ESMTP id S262467AbTH2EOa (ORCPT ); Fri, 29 Aug 2003 00:14:30 -0400 Date: Thu, 28 Aug 2003 21:17:44 -0700 From: Andrew Morton To: Rusty Russell Cc: mingo@redhat.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH 2/2] Futex non-page-pinning fix Message-Id: <20030828211744.3081a058.akpm@osdl.org> In-Reply-To: <20030829035729.E126C2C0BD@lists.samba.org> References: <20030828012152.1294f183.akpm@osdl.org> <20030829035729.E126C2C0BD@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: 569 Lines: 15 Rusty Russell wrote: > > Well, the patch I posted adds a futex_rehash to ___add_to_page_cache, That's a real hotpath. Certainly we couldn't take a global lock there. Need to find a way to rehash when moving pages around only in swapcache. I thought the earlier patches were structured that way? - 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/