Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932560AbaLJR3s (ORCPT ); Wed, 10 Dec 2014 12:29:48 -0500 Received: from mail-wi0-f171.google.com ([209.85.212.171]:34850 "EHLO mail-wi0-f171.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932433AbaLJR3q (ORCPT ); Wed, 10 Dec 2014 12:29:46 -0500 MIME-Version: 1.0 In-Reply-To: <20141210163034.078015357@linux.com> References: <20141210163017.092096069@linux.com> <20141210163034.078015357@linux.com> Date: Wed, 10 Dec 2014 19:29:45 +0200 X-Google-Sender-Auth: yW57hJGx3RTG0GVwJdJNgnEPGzo Message-ID: Subject: Re: [PATCH 6/7] slub: Drop ->page field from kmem_cache_cpu From: Pekka Enberg To: Christoph Lameter Cc: akpm , Steven Rostedt , LKML , Thomas Gleixner , "linux-mm@kvack.org" , iamjoonsoo@lge.com, Jesper Dangaard Brouer Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Dec 10, 2014 at 6:30 PM, Christoph Lameter wrote: > Dropping the page field is possible since the page struct address > of an object or a freelist pointer can now always be calcualted from > the address. No freelist pointer will be NULL anymore so use > NULL to signify the condition that the current cpu has no > percpu slab attached to it. > > Signed-off-by: Christoph Lameter Reviewed-by: Pekka Enberg -- 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/