Re: [PATCH v2] mm: vmscan: fix the page state calculation in too_many_isolated

From: Michal Hocko
Date: Fri Jan 30 2015 - 10:29:08 EST


On Tue 27-01-15 10:59:59, Christoph Lameter wrote:
> On Tue, 27 Jan 2015, Michal Hocko wrote:
>
> > I am not following. The idea was to run vmstat_shepherd in a kernel
> > thread and waking up as per defined timeout and then check need_update
> > for each CPU and call smp_call_function_single to refresh the timer
> > rather than building a mask and then calling sm_call_function_many to
> > reduce paralel contention on the shared counters.
>
> Thats ok.

OK, I will put that on my todo list and try to find some time to
implement it.

--
Michal Hocko
SUSE Labs
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