Re: [MM] Make mm counters per cpu instead of atomic V2

From: Christoph Lameter
Date: Fri Nov 06 2009 - 14:49:18 EST


On Sat, 7 Nov 2009, KAMEZAWA Hiroyuki wrote:

> > If we just have one thread: Do we need atomic access at all?
> >
> Unfortunately, kswapd/vmscan touch this.

Right. And those can also occur from another processor that the process
never has run on before. Argh.

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