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 18:27:17 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 25 Sep 2001 18:27:11 -0400 Received: from pizda.ninka.net ([216.101.162.242]:53396 "EHLO pizda.ninka.net") by vger.kernel.org with ESMTP id ; Tue, 25 Sep 2001 18:27:02 -0400 Date: Tue, 25 Sep 2001 15:26:55 -0700 (PDT) Message-Id: <20010925.152655.85393753.davem@redhat.com> To: gerrit@us.ibm.com Cc: riel@conectiva.com.br, marcelo@conectiva.com.br, andrea@suse.de, torvalds@transmeta.com, linux-kernel@vger.kernel.org Subject: Re: Locking comment on shrink_caches() From: "David S. Miller" In-Reply-To: <200109252215.f8PMFDa02034@eng2.beaverton.ibm.com> In-Reply-To: <200109252215.f8PMFDa02034@eng2.beaverton.ibm.com> X-Mailer: Mew version 2.0 on Emacs 21.0 / Mule 5.0 (SAKAKI) 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 From: Gerrit Huizenga Date: Tue, 25 Sep 2001 15:15:13 PDT I'm very curious as to what workloads are showing pagecache_lock as a bottleneck. We haven't noticed this particular bottleneck in most of the workloads we are running. Is there a good workload that shows this type of load? Again, I defer to Ingo for specifics, but essentially something like specweb99 where the whole dataset fits in memory. Franks a lot, David S. Miller davem@redhat.com