Re: [PATCH v6] memcg: event control at vmpressure.

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Hey Anton,

On Fri, Jun 21, 2013 at 05:27:44PM -0700, Anton Vorontsov wrote:
> On Sat, Jun 22, 2013 at 01:44:14AM +0900, Minchan Kim wrote:
> [...]
> > 3. The reclaimed could be greater than scanned in vmpressure_evnet
> >    by several reasons. Totally, It could trigger wrong event.
> 
> Yup, and in that case the best we can do is just ignore the event (i.e.
> not pass it to the userland): thing is, based on the fact that
> 'reclaimed > scanned' we can't actually conclude anything about the
> pressure: it might be still high, or we actually freed enough.

I'd like to make a safe guard with low notifier rather than ignoring.

> 
> Thanks,
> 
> Anton
> 
> p.s. I was somewhat sure that someone sent a patch to ignore 'reclaimed >
> scanned' situation, but I cannot find it in my mailbox. Maybe I was
> dreaming about it? :)

You seem to work while you're sleeping.
Dear Penguin,

please, take a rest. :)

> 
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-- 
Kind regards,
Minchan Kim

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