From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Wed, 16 Jun 2004 14:30:40 -0700 From: Andrew Morton 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> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Dimitri Sivanich Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org List-ID: 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, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: aart@kvack.org