Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266310AbUFPV3a (ORCPT ); Wed, 16 Jun 2004 17:29:30 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266314AbUFPV33 (ORCPT ); Wed, 16 Jun 2004 17:29:29 -0400 Received: from fw.osdl.org ([65.172.181.6]:43925 "EHLO mail.osdl.org") by vger.kernel.org with ESMTP id S266310AbUFPV3T (ORCPT ); Wed, 16 Jun 2004 17:29:19 -0400 Date: Wed, 16 Jun 2004 14:30:40 -0700 From: Andrew Morton To: Dimitri Sivanich Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH]: Option to run cache reap in thread mode Message-Id: <20040616143040.403bf68b.akpm@osdl.org> In-Reply-To: <20040616142413.GA5588@sgi.com> References: <20040616142413.GA5588@sgi.com> X-Mailer: Sylpheed version 0.9.7 (GTK+ 1.2.10; i586-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: 648 Lines: 24 Dimitri Sivanich wrote: > > In the process of testing per/cpu interrupt response times and CPU availability, > I've found that running cache_reap() as a timer as is done currently results > in some fairly long CPU holdoffs. Before patching anything I want to understand what's going on in there. Please share your analysis. How long? How many objects? Which slab? Why? Thanks. - 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/