Re: patch to trim page table cache

Alan Cox (alan@lxorguk.ukuu.org.uk)
Sat, 18 Jul 1998 18:02:31 +0100 (BST)

> Revised patch sans locking changes is attached. One remaining question
> is whether the kswapd process can migrate between CPUs in an SMP system.
> If not, I'll need to find some way to drain the other CPU caches.

Nothing is tied to a CPU. There are however usage patterns where it wont
move CPU ever - in fact the kernel will try and stick any process to
the same CPU as before. We do this wrongly for scaling well right now but
the end result isnt too bad on <4 CPUs

Alan

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