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SubjectRe: [RFC PATCH 01/12] housekeeping: Move housekeeping related code to its own file
On Thu, Aug 31, 2017 at 04:16:16PM -0400, Rik van Riel wrote:
> On Wed, 2017-08-23 at 03:51 +0200, Frederic Weisbecker wrote:
> > The housekeeping code is currently tied to the nohz code. As we are
> > planning to make housekeeping independant from it, start with moving
> > the relevant code to its own file.
> >
> Why are nohz full and housekeeping being
> decoupled from each other?
>
> Won't people want to use them together?
>
> What use case am I missing?

So nohz is really just a feature and it shouldn't decide about other isolation
features. It should be the opposite: isolation picks up nohz, alongside other
isolation things. I think we did a layering misdesign. So it's mostly just a code
reorganisation.

While at it, isolcpus= is also part of the isolation toolset. So I thought we should
centralize all this isolation code in a common subsystem.



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