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

From: Aleksa Sarai
Date: Mon Apr 13 2015 - 20:33:49 EST

Hi Tejun,

> Ummm... is this really necessary? Can't we do something like the
> following?
> #define SUBSYS_TAG(tag) \
> __##tag, \
> tag = __##tag - 2,

Is which part necessary? That's what TAG() does. I can remove the
UNUSED_IDENT() if you want, that was just to make sure you don't get clashes
with other unused idents. COUNT() is so that we don't have to manually add
CGROUP_<TAG>_COUNT for every tag we add.

Aleksa Sarai (cyphar)
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