Re: [MM] Make mm counters per cpu instead of atomic V2
From: KAMEZAWA Hiroyuki
Date: Fri Nov 06 2009 - 14:21:04 EST
Christoph Lameter wrote:
> On Sat, 7 Nov 2009, KAMEZAWA Hiroyuki wrote:
>> And allocate mm->usage only when the first CLONE_THREAD is specified.
>> if (mm->usage)
>> access per cpu
> If we just have one thread: Do we need atomic access at all?
Unfortunately, kswapd/vmscan touch this.
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