Re: lowmemory android driver not needed?

From: KOSAKI Motohiro
Date: Tue Feb 03 2009 - 09:08:48 EST


Hi!

2009/1/30 Pavel Machek <pavel@xxxxxxx>:
> Hi!
>
>> I never expected it to be merged. I wrote it to allow us to ship a product.
>>
>> > The top problem is, this file stay on non proper place.
>> > then, MM folks don't review at all.
>> >
>> > I think this patch need to receive MM folks review.
>>
>> This patch solves two problems for us:
>> 1. It gives us more control over which process gets killed when we run
>> out of memory. This can easily be fixed in the regular oom killer
>> instead.
>> 2. It prevents the system from getting unusable due to excessive
>> demand paging. Before we added the low memory killer, we had devices
>> stuck for many minutes before the system managed to allocate enough
>> memory for the oom killer to kick in.
>> The second problem is the most critical and if it is solved, we will
>> not need this patch.
>
> Ok, maybe the best way forward is to create a "demo" that can be run
> on desktop machine,

good idea! :)


> where machine misbehaves (like becomes useless for
> 10 minutes before OOM killer kicks in), then draw attetion of
> Andrew/Nick/etc?
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