Re: [RFC][PATCH] oom_kill: avoid depends on total_vm and use realRSS/swap value for oom_score (Re: Memory overcommit

From: Pavel Machek
Date: Thu Nov 05 2009 - 14:02:17 EST


> Agreed it's not obvious. Intuitively I think only including RSS and no
> swap is best, but clearly I can't be entirely against including swap
> too as there may be scenarios where including swap provides for a
> better choice.
> My argument for not including swap is that we kill tasks to free RAM
> (we don't really care to free swap, system needs RAM at oom time).

System should be out of _virtual_ memory at that point, so yes,
freeing swap should help, too.

(cesky, pictures)
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