From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lb0-f174.google.com (mail-lb0-f174.google.com [209.85.217.174]) by kanga.kvack.org (Postfix) with ESMTP id 562AA6B0035 for ; Fri, 8 Aug 2014 08:06:19 -0400 (EDT) Received: by mail-lb0-f174.google.com with SMTP id c11so3709680lbj.5 for ; Fri, 08 Aug 2014 05:06:18 -0700 (PDT) Received: from mail-lb0-x234.google.com (mail-lb0-x234.google.com [2a00:1450:4010:c04::234]) by mx.google.com with ESMTPS id l6si3270976lbr.4.2014.08.08.05.06.16 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Fri, 08 Aug 2014 05:06:17 -0700 (PDT) Received: by mail-lb0-f180.google.com with SMTP id v6so3702909lbi.39 for ; Fri, 08 Aug 2014 05:06:16 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: References: <20140808071903.GD6150@js1304-P5Q-DELUXE> Date: Fri, 8 Aug 2014 14:06:16 +0200 Message-ID: Subject: Re: BUG: enable_cpucache failed for radix_tree_node, error 12 (was: Re: [PATCH v3 9/9] slab: remove BAD_ALIEN_MAGIC) From: Geert Uytterhoeven Content-Type: text/plain; charset=UTF-8 Sender: owner-linux-mm@kvack.org List-ID: To: Christoph Lameter Cc: Joonsoo Kim , Andrew Morton , Pekka Enberg , David Rientjes , Linux MM , "linux-kernel@vger.kernel.org" , Vladimir Davydov Hi Christoph, On Fri, Aug 8, 2014 at 1:50 PM, Christoph Lameter wrote: > On Fri, 8 Aug 2014, Geert Uytterhoeven wrote: >> > Of possible, could you check whether page_to_nid(page) returns >> > only 0 or not? >> >> It returns 0 or 1. > > Ok this is broken on m68k. CONFIG_NUMA is required for this to work. If > the arch code does this despite !CONFIG_NUMA then lots of things should > break. Can you please elaborate? We've been using for years... Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds -- 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