Re: [PATCH 7/9] cgroup_freezer: introduceCGROUP_FREEZING_[SELF|PARENT]

[Tejun Heo]

Hello,

On Thu, Nov 08, 2012 at 01:47:55PM +0100, Michal Hocko wrote:
> On Sat 03-11-12 01:38:33, Tejun Heo wrote:
> > Introduce FREEZING_SELF and FREEZING_PARENT and make FREEZING OR of
> > the two flags.  This is to prepare for full hierarchy support.
> > 
> > freezer_apply_date() is updated such that it can handle setting and
> > clearing of both flags.  The two flags are also exposed to userland
> > via read-only files self_freezing and parent_freezing.
> > 
> > Other than the added cgroupfs files, this patch doesn't introduce any
> > behavior change.
> 
> OK, I can imagine that this might be useful to find the first parent
> group that needs to be thawed to unfreeze the group I am interested
> in. Could you also update Documentation/cgroups/freezer-subsystem.txt to
> clarify the intended usage?

Ooh, right.  Will update the doc in the last patch.

> Minor nit. Same as mentioned in the previous patch freezer_apply_state
> should get enum freezer_state_flags state parameter.

But it isn't an enum value.

Thanks.

-- 
tejun
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