Re: [RFC PATCH 1/2] vmscan don't isolate too many pages in a zone

KOSAKI Motohiro
2009-07-09T06:39:34Z

Hi

> When way too many processes go into direct reclaim, it is possible
> for all of the pages to be taken off the LRU. One result of this
> is that the next process in the page reclaim code thinks there are
> no reclaimable pages left and triggers an out of memory kill.
>
> One solution to this problem is to never let so many processes into
> the page reclaim path that the entire LRU is emptied. Limiting the
> system to only having half of each inactive list isolated for
> reclaim should be safe.

Thanks good patch.
I'd like to run several benchmark and compare my and your patches.

Can you please gime me few days?