linux-kernel - Re: [PATCH 1/3 staging-next] android: Collect statistics from lowmemorykiller

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Message-ID: <375245cc-11ba-4c93-9afa-5332cf43bec6@sonymobile.com>
Date:   Mon, 13 Feb 2017 16:42:16 +0100
From:   peter enderborg <peter.enderborg@...ymobile.com>
To:     Michal Hocko <mhocko@...nel.org>
CC:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        <devel@...verdev.osuosl.org>,
        Riley Andrews <riandrews@...roid.com>,
        <linux-kernel@...r.kernel.org>, <linux-mm@...ck.org>,
        Arve Hjønnevåg <arve@...roid.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH 1/3 staging-next] android: Collect statistics from
 lowmemorykiller

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.