Re: [RFC] vmstat: Avoid waking up idle-cpu to service shepherd work

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On Fri, 27 Mar 2015, Peter Zijlstra wrote:

> On Fri, Mar 27, 2015 at 06:11:44AM -0500, Christoph Lameter wrote:
> >
> > Create a new slab cache for this purpose that does the proper aligning?
>
> That is certainly a possibility, but we'll only ever allocate nr_cpus-1
> entries from it, a whole new slab cache might be overkill.

This will certainly be aliased to some other slab cache so not much
overhead is created.

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