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SubjectRe: [PATCH 1/3 staging-next] android: Collect statistics from lowmemorykiller
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On 02/10/2017 08:59 AM, Michal Hocko wrote:
> On Fri 10-02-17 08:51:49, Greg KH wrote:
>> On Fri, Feb 10, 2017 at 08:21:32AM +0100, peter enderborg wrote:
> [...]
>>> 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? Can you do the work here? 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?
> Well, to be honest, I do not think that the current code is easily
> fixable.
This patch improves the current situation and address some
of the issues that makes android devices behaviour different
than other linux systems.
> 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.
> For that we need a proper mm pressure notification which is
> supposed to be vmpressure but that one also doesn't seem to work all
> that great. So rather than trying to fix unfixable I would stronly
> suggest focusing on making vmpressure work reliably.


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