From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261380AbUL2RxF (ORCPT ); Wed, 29 Dec 2004 12:53:05 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261382AbUL2RxF (ORCPT ); Wed, 29 Dec 2004 12:53:05 -0500 Received: from e2.ny.us.ibm.com ([32.97.182.142]:61369 "EHLO e2.ny.us.ibm.com") by vger.kernel.org with ESMTP id S261380AbUL2RxB (ORCPT ); Wed, 29 Dec 2004 12:53:01 -0500 Date: Wed, 29 Dec 2004 23:22:58 +0530 From: Ravikiran G Thirumalai To: Manfred Spraul Cc: Linux Kernel Mailing List Subject: Re: [RFC] Reimplementation of linux dynamic percpu memory allocator Message-ID: <20041229175258.GC2075@impedimenta.in.ibm.com> References: <41C35DD6.1050804@colorfullife.com> <20041220182057.GA16859@in.ibm.com> <41C718C7.1020908@colorfullife.com> <20041220192558.GA17194@in.ibm.com> <41D2DC68.5080805@colorfullife.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <41D2DC68.5080805@colorfullife.com> User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Dec 29, 2004 at 05:33:44PM +0100, Manfred Spraul wrote: > Ravikiran G Thirumalai wrote: > > >On Mon, Dec 20, 2004 at 07:24:07PM +0100, Manfred Spraul wrote: > > > > > >>No, not fast path. But it can happen a few thousand times. The slab > >>implementation failed due to heavy internal fragmentation. If your code > >>runs fine with a few thousand users, then there shouldn't be a problem. > >> > >> > > > > > > > Could you ask Badari Pulavarty (pbadari@us.ibm.com)? > He noticed the fragmentation problem with the original > kmem_cache_alloc_node implementation. Perhaps he could just run your > version with his test setup: Yes I will. Thanks for the pointer. Thanks, Kiran