Re: [PATCH 06/13] cpuset: cleanup cpuset[_can]_attach()

[Li Zefan]

On 2012/11/29 5:34, Tejun Heo wrote:
> cpuset_can_attach() prepare global variables cpus_attach and
> cpuset_attach_nodemask_{to|from} which are used by cpuset_attach().
> There is no reason to prepare in cpuset_can_attach().  The same
> information can be accessed from cpuset_attach().
> 
> Move the prepartion logic from cpuset_can_attach() to cpuset_attach()
> and make the global variables static ones inside cpuset_attach().
> 
> While at it, convert cpus_attach to cpumask_t from cpumask_var_t.
> There's no reason to mess with dynamic allocation on a static buffer.
> 

But Rusty had been deprecating the use of cpumask_t. I don't know why
the final deprecation hasn't been completed yet.
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