Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 5 Dec 2002 06:17:08 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 5 Dec 2002 06:17:07 -0500 Received: from hq.fsmlabs.com ([209.155.42.197]:26830 "EHLO hq.fsmlabs.com") by vger.kernel.org with ESMTP id ; Thu, 5 Dec 2002 06:17:05 -0500 Date: Thu, 5 Dec 2002 04:23:12 -0700 From: yodaiken@fsmlabs.com To: Dipankar Sarma Cc: Andrew Morton , Ravikiran G Thirumalai , linux-kernel@vger.kernel.org, Rusty Russell Subject: Re: [patch] kmalloc_percpu -- 2 of 2 Message-ID: <20021205042312.A12616@hq.fsmlabs.com> References: <20021204174209.A17375@in.ibm.com> <20021204174550.B17375@in.ibm.com> <3DEE58CB.737259DB@digeo.com> <20021205091217.A11438@in.ibm.com> <3DEED6FA.B179FAFD@digeo.com> <20021205162329.A12588@in.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5.1i In-Reply-To: <20021205162329.A12588@in.ibm.com>; from dipankar@in.ibm.com on Thu, Dec 05, 2002 at 04:23:29PM +0530 Organization: FSM Labs Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 755 Lines: 22 On Thu, Dec 05, 2002 at 04:23:29PM +0530, Dipankar Sarma wrote: > Hi Andrew, > > On Wed, Dec 04, 2002 at 08:32:58PM -0800, Andrew Morton wrote: > > Where in the kernel is such a large number of 4-, 8- or 16-byte > > objects being used? > > Well, kernel objects may not be that small, but one would expect > the per-cpu parts of the kernel objects to be sometimes small, often down to > a couple of counters counting statistics. Doesn't your allocator increase chances of cache conflict on the same cpu ? - 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/