Re: [PATCH v9 3/4] cgroups: allow a cgroup subsystem to reject a fork

From: Tejun Heo
Date: Fri Apr 17 2015 - 16:42:13 EST


On Sat, Apr 18, 2015 at 06:35:41AM +1000, Aleksa Sarai wrote:
> >> Do you also want me to completely drop the COUNT macro? IMO it makes
> >> the CGROUP_<TAG>_COUNT consolidation much nicer.
> >
> > What's wrong with simply having start and end tags?
>
> Because you'd have to write (CGROUP_TAG_END - CGROUP_TAG_START) every
> time? It's a small addition and it makes referencing the range of a
> tagged section much easier.

Wouldn't loops look more like

for (subsys = CGROUP_TAG_START; subsys < CGROUP_TAG_END; subsys++)

And even if not, just define a separate macro for the length. It's
not like we're gonna have a lot of tags.

Thanks.

--
tejun
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