From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751690AbdBJJSl (ORCPT ); Fri, 10 Feb 2017 04:18:41 -0500 Received: from seldsegrel01.sonyericsson.com ([37.139.156.29]:1438 "EHLO SELDSEGREL01.sonyericsson.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751289AbdBJJSg (ORCPT ); Fri, 10 Feb 2017 04:18:36 -0500 Subject: Re: [PATCH 1/3 staging-next] android: Collect statistics from lowmemorykiller To: Greg Kroah-Hartman 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> CC: Michal Hocko , , "Riley Andrews" , , , =?UTF-8?Q?Arve_Hj=c3=b8nnev=c3=a5g?= , Linus Torvalds From: peter enderborg Message-ID: Date: Fri, 10 Feb 2017 10:05:12 +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: <20170210075149.GA17166@kroah.com> 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 08:51 AM, Greg Kroah-Hartman wrote: > On Fri, Feb 10, 2017 at 08:21:32AM +0100, peter enderborg wrote: >> Im not speaking for google, but I think there is a work ongoing to >> replace this with user-space code. > Really? I have not heard this at all, any pointers to whom in Google is > doing it? > I think it was mention some of the google conferences. The idea is the lmkd that uses memory pressure events to trigger this. >>From git log in lmkd i think Colin Cross is involved. >> Until then we have to polish this version as good as we can. It is >> essential for android as it is now. > But if no one is willing to do the work to fix the reported issues, why > should it remain? It is needed by billions of phones. > Can you do the work here? No. Change the kernel is only one small part of the solution. > You're already working on > fixing some of the issues in a differnt way, why not do the "real work" > here instead for everyone to benifit from? The long term solution is something from AOSP. As you know we tried to contribute this to AOSP. As OEM we can't turn android upside down. It has to be a step by step. > thanks, > > greg k-h