From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-io0-f180.google.com (mail-io0-f180.google.com [209.85.223.180]) by kanga.kvack.org (Postfix) with ESMTP id 73D976B007E for ; Wed, 30 Mar 2016 04:09:37 -0400 (EDT) Received: by mail-io0-f180.google.com with SMTP id e3so56231156ioa.1 for ; Wed, 30 Mar 2016 01:09:37 -0700 (PDT) Received: from lgeamrelo11.lge.com (LGEAMRELO11.lge.com. [156.147.23.51]) by mx.google.com with ESMTP id qf2si18177614igb.91.2016.03.30.01.09.36 for ; Wed, 30 Mar 2016 01:09:36 -0700 (PDT) Date: Wed, 30 Mar 2016 17:11:35 +0900 From: Joonsoo Kim Subject: Re: [PATCH 02/11] mm/slab: remove BAD_ALIEN_MAGIC again Message-ID: <20160330081135.GB1678@js1304-P5Q-DELUXE> References: <1459142821-20303-1-git-send-email-iamjoonsoo.kim@lge.com> <1459142821-20303-3-git-send-email-iamjoonsoo.kim@lge.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: owner-linux-mm@kvack.org List-ID: To: Geert Uytterhoeven Cc: Andrew Morton , Christoph Lameter , Pekka Enberg , David Rientjes , Jesper Dangaard Brouer , Linux MM , "linux-kernel@vger.kernel.org" On Mon, Mar 28, 2016 at 10:58:38AM +0200, Geert Uytterhoeven wrote: > Hi Jonsoo, > > On Mon, Mar 28, 2016 at 7:26 AM, wrote: > > From: Joonsoo Kim > > > > Initial attemp to remove BAD_ALIEN_MAGIC is once reverted by > > 'commit edcad2509550 ("Revert "slab: remove BAD_ALIEN_MAGIC"")' > > because it causes a problem on m68k which has many node > > but !CONFIG_NUMA. In this case, although alien cache isn't used > > at all but to cope with some initialization path, garbage value > > is used and that is BAD_ALIEN_MAGIC. Now, this patch set > > use_alien_caches to 0 when !CONFIG_NUMA, there is no initialization > > path problem so we don't need BAD_ALIEN_MAGIC at all. So remove it. > > > > Signed-off-by: Joonsoo Kim > > I gave this a try on m68k/ARAnyM, and it didn't crash, unlike the previous > version that was reverted, so > Tested-by: Geert Uytterhoeven Thanks for testing!!! Thanks. -- 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