From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753853AbdBMPmj (ORCPT ); Mon, 13 Feb 2017 10:42:39 -0500 Received: from seldsegrel01.sonyericsson.com ([37.139.156.29]:10409 "EHLO SELDSEGREL01.sonyericsson.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753783AbdBMPmh (ORCPT ); Mon, 13 Feb 2017 10:42:37 -0500 Subject: Re: [PATCH 1/3 staging-next] android: Collect statistics from lowmemorykiller To: Michal Hocko References: <9febd4f7-a0a7-5f52-e67b-df3163814ac5@sonymobile.com> <20170209192640.GC31906@dhcp22.suse.cz> <20170209200737.GB11098@kroah.com> <20170209205407.GF31906@dhcp22.suse.cz> <845d420f-dd26-fb48-c8ef-10ca1995daf8@sonymobile.com> <20170210075149.GA17166@kroah.com> <20170210075949.GB10893@dhcp22.suse.cz> <20170210091459.GF10893@dhcp22.suse.cz> CC: Greg Kroah-Hartman , , Riley Andrews , , , =?UTF-8?Q?Arve_Hj=c3=b8nnev=c3=a5g?= , Linus Torvalds From: peter enderborg Message-ID: <375245cc-11ba-4c93-9afa-5332cf43bec6@sonymobile.com> Date: Mon, 13 Feb 2017 16:42:16 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.7.0 MIME-Version: 1.0 In-Reply-To: <20170210091459.GF10893@dhcp22.suse.cz> Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 02/10/2017 10:15 AM, Michal Hocko wrote: > On Fri 10-02-17 10:05:34, peter enderborg wrote: >> On 02/10/2017 08:59 AM, Michal Hocko wrote: > [...] >>> The approach was wrong from the day 1. Abusing slab shrinkers >>> is just a bad place to stick this logic. This all belongs to the >>> userspace. >> But now it is there and we have to stick with it. > It is also adding maintenance cost. Just have a look at the git log and > check how many patches were just a result of the core changes which > needed a sync. > > I seriously doubt that any of the android devices can run natively on > the Vanilla kernel so insisting on keeping this code in staging doesn't > give much sense to me. I guess that we more than a few that would like to see that. We have http://developer.sonymobile.com/open-devices/how-to-build-and-flash-a-linux-kernel/how-to-build-mainline-linux-for-xperia-devices/ It is not the latest on anything and it is not on par with commercial bundled software.