Re: [PATCH 1/5] vmscan: remove all_unreclaimable check from direct reclaim path completely

From: KOSAKI Motohiro
Date: Wed Mar 23 2011 - 04:45:10 EST

> > Boo.
> > You seems forgot why you introduced current all_unreclaimable() function.
> > While hibernation, we can't trust all_unreclaimable.
> Hmm. AFAIR, the why we add all_unreclaimable is when the hibernation is going on,
> kswapd is freezed so it can't mark the zone->all_unreclaimable.
> So I think hibernation can't be a problem.
> Am I miss something?

Ahh, I missed. thans correct me. Okay, I recognized both mine and your works.
Can you please explain why do you like your one than mine?

btw, Your one is very similar andrey's initial patch. If your one is
better, I'd like to ack with andrey instead.

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