Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
	id S1752754AbbH0QD6 (ORCPT <rfc822;w@1wt.eu>);
	Thu, 27 Aug 2015 12:03:58 -0400
Received: from mail-wi0-f172.google.com ([209.85.212.172]:38827 "EHLO
	mail-wi0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
	with ESMTP id S1751936AbbH0QD5 (ORCPT
	<rfc822;linux-kernel@vger.kernel.org>);
	Thu, 27 Aug 2015 12:03:57 -0400
Date: Thu, 27 Aug 2015 18:03:55 +0200
From: Michal Hocko <mhocko@kernel.org>
To: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: Hugh Dickins <hughd@google.com>, Vlastimil Babka <vbabka@suse.cz>,
        "Kirill A. Shutemov" <kirill@shutemov.name>,
        Andrew Morton <akpm@linux-foundation.org>,
        "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
        Andrea Arcangeli <aarcange@redhat.com>,
        Dave Hansen <dave.hansen@intel.com>,
        Johannes Weiner <hannes@cmpxchg.org>,
        David Rientjes <rientjes@google.com>, linux-kernel@vger.kernel.org,
        linux-mm@kvack.org, Christoph Lameter <cl@linux.com>
Subject: Re: [PATCHv3 4/5] mm: make compound_head() robust
Message-ID: <20150827160355.GI27052@dhcp22.suse.cz>
References: <20150820163643.dd87de0c1a73cb63866b2914@linux-foundation.org>
 <20150821121028.GB12016@node.dhcp.inet.fi>
 <55DC550D.5060501@suse.cz>
 <20150825183354.GC4881@node.dhcp.inet.fi>
 <20150825201113.GK11078@linux.vnet.ibm.com>
 <55DCD434.9000704@suse.cz>
 <20150825211954.GN11078@linux.vnet.ibm.com>
 <alpine.LSU.2.11.1508261104000.1975@eggly.anvils>
 <20150826212916.GG11078@linux.vnet.ibm.com>
 <20150827150917.GF27052@dhcp22.suse.cz>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20150827150917.GF27052@dhcp22.suse.cz>
User-Agent: Mutt/1.5.23 (2014-03-12)
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org
Content-Length: 496
Lines: 14

On Thu 27-08-15 17:09:17, Michal Hocko wrote:
[...]
> Btw. Do we need the same think for page::mapping and KSM?

I guess we are safe here because the address for mappings comes from
kmalloc and that aligned properly, right?
-- 
Michal Hocko
SUSE Labs
--
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/