From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wg0-f50.google.com (mail-wg0-f50.google.com [74.125.82.50]) by kanga.kvack.org (Postfix) with ESMTP id 9CD226B0080 for ; Wed, 10 Dec 2014 12:29:46 -0500 (EST) Received: by mail-wg0-f50.google.com with SMTP id a1so4241299wgh.23 for ; Wed, 10 Dec 2014 09:29:46 -0800 (PST) Received: from mail-wg0-x229.google.com (mail-wg0-x229.google.com. [2a00:1450:400c:c00::229]) by mx.google.com with ESMTPS id hr5si8517514wjb.150.2014.12.10.09.29.45 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 10 Dec 2014 09:29:45 -0800 (PST) Received: by mail-wg0-f41.google.com with SMTP id y19so4293017wgg.0 for ; Wed, 10 Dec 2014 09:29:45 -0800 (PST) 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 Message-ID: Subject: Re: [PATCH 6/7] slub: Drop ->page field from kmem_cache_cpu From: Pekka Enberg Content-Type: text/plain; charset=UTF-8 Sender: owner-linux-mm@kvack.org List-ID: To: Christoph Lameter Cc: akpm , Steven Rostedt , LKML , Thomas Gleixner , "linux-mm@kvack.org" , iamjoonsoo@lge.com, Jesper Dangaard Brouer 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, 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: email@kvack.org