From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262371AbTEGC3L (ORCPT ); Tue, 6 May 2003 22:29:11 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262703AbTEGC3L (ORCPT ); Tue, 6 May 2003 22:29:11 -0400 Received: from holomorphy.com ([66.224.33.161]:34188 "EHLO holomorphy") by vger.kernel.org with ESMTP id S262371AbTEGC3K (ORCPT ); Tue, 6 May 2003 22:29:10 -0400 Date: Tue, 6 May 2003 19:41:35 -0700 From: William Lee Irwin III To: Rusty Russell Cc: Andrew Morton , dipankar@in.ibm.com, linux-kernel@vger.kernel.org, Bartlomiej Zolnierkiewicz , paulus@samba.org Subject: Re: [PATCH] kmalloc_percpu Message-ID: <20030507024135.GW8978@holomorphy.com> Mail-Followup-To: William Lee Irwin III , Rusty Russell , Andrew Morton , dipankar@in.ibm.com, linux-kernel@vger.kernel.org, Bartlomiej Zolnierkiewicz , paulus@samba.org References: <20030506014745.02508f0d.akpm@digeo.com> <20030507023126.12F702C019@lists.samba.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20030507023126.12F702C019@lists.samba.org> Organization: The Domain of Holomorphy User-Agent: Mutt/1.5.4i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, May 07, 2003 at 11:57:13AM +1000, Rusty Russell wrote: > Paul Mackerras points out that we could get the numa-aware allocation > plus "one big alloc" properties by playing with page mappings: reserve > 1MB of virtual address, and map more pages as required. I didn't > think that we'd need that yet, though. This is somewhat painful to do (though possible) on i386. The cost of task migration would increase at the very least. -- wli