From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-it0-f71.google.com (mail-it0-f71.google.com [209.85.214.71]) by kanga.kvack.org (Postfix) with ESMTP id 7E99C6B02F2 for ; Mon, 24 Apr 2017 09:57:39 -0400 (EDT) Received: by mail-it0-f71.google.com with SMTP id j8so70615768ita.11 for ; Mon, 24 Apr 2017 06:57:39 -0700 (PDT) Received: from resqmta-ch2-07v.sys.comcast.net (resqmta-ch2-07v.sys.comcast.net. [2001:558:fe21:29:69:252:207:39]) by mx.google.com with ESMTPS id g68si3090739iog.86.2017.04.24.06.57.38 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 24 Apr 2017 06:57:38 -0700 (PDT) Date: Mon, 24 Apr 2017 08:57:34 -0500 (CDT) From: Christoph Lameter Subject: Re: [RFC 0/4] RFC - Coherent Device Memory (Not for inclusion) In-Reply-To: <1492809331.25766.172.camel@kernel.crashing.org> Message-ID: References: <20170419075242.29929-1-bsingharora@gmail.com> <1492651508.1015.2.camel@gmail.com> <1492723609.25766.152.camel@kernel.crashing.org> <1492809331.25766.172.camel@kernel.crashing.org> Content-Type: text/plain; charset=US-ASCII Sender: owner-linux-mm@kvack.org List-ID: To: Benjamin Herrenschmidt Cc: Balbir Singh , linux-mm@kvack.org, akpm@linux-foundation.org, khandual@linux.vnet.ibm.com, aneesh.kumar@linux.vnet.ibm.com, paulmck@linux.vnet.ibm.com, srikar@linux.vnet.ibm.com, haren@linux.vnet.ibm.com, jglisse@redhat.com, mgorman@techsingularity.net, mhocko@kernel.org, arbab@linux.vnet.ibm.com, vbabka@suse.cz On Sat, 22 Apr 2017, Benjamin Herrenschmidt wrote: > On Fri, 2017-04-21 at 11:13 -0500, Christoph Lameter wrote: > > > Other things are possibly more realistic to do that way, such as > > > taking > > > KSM and AutoNuma off the picture for it. > > > > Well just pinning those pages or mlocking those will stop these > > scans. > > But that will stop migration too :-) These are mostly policy > adjustement, we need to look at other options here. Well yes that probably means some sort of policy layer that allows the exclusion of certain nodes from KSM and AutoNUMA. -- 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