From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-la0-f53.google.com (mail-la0-f53.google.com [209.85.215.53]) by kanga.kvack.org (Postfix) with ESMTP id 7D40F6B0036 for ; Thu, 22 May 2014 09:47:45 -0400 (EDT) Received: by mail-la0-f53.google.com with SMTP id ty20so1074919lab.26 for ; Thu, 22 May 2014 06:47:44 -0700 (PDT) Received: from mx2.parallels.com (mx2.parallels.com. [199.115.105.18]) by mx.google.com with ESMTPS id xb4si13379445lbb.4.2014.05.22.06.47.43 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 22 May 2014 06:47:43 -0700 (PDT) Date: Thu, 22 May 2014 17:47:28 +0400 From: Vladimir Davydov Subject: Re: [PATCH RFC 3/3] slub: reparent memcg caches' slabs on memcg offline Message-ID: <20140522134726.GA3147@esperanza> References: <20140515071650.GB32113@esperanza> <20140516132234.GF32113@esperanza> <20140519152437.GB25889@esperanza> <537A4D27.1050909@parallels.com> <20140521150408.GB23193@esperanza> 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: Christoph Lameter Cc: hannes@cmpxchg.org, mhocko@suse.cz, akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org On Wed, May 21, 2014 at 07:13:21PM -0500, Christoph Lameter wrote: > On Wed, 21 May 2014, Vladimir Davydov wrote: > > > Do I understand you correctly that the following change looks OK to you? > > Almost. Preemption needs to be enabled before functions that invoke the > page allocator etc etc. I need to disable preemption only in slab_free, which never blocks according to its semantics, so everything should be fine just like that. -- 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