Re: [PATCH 4/5] cpufreq: create cpu/cpufreq/policyX directories

[Viresh Kumar]

On 13-10-15, 12:29, Saravana Kannan wrote:
> But we don't need to track track of "present-cpus" separately
> though. We could do the for_each_cpu_and() when we create the
> symlinks for the first time. And after that, we can just use the
> subsystem interface callbacks (cpufreq_add_dev() and
> cpufreq_remove_dev()) to keep the symlinks updated.
> 
> I don't see any place where keeping track of this separately is more
> efficient. This would save some memory savings when the number of
> CPUs is large and also simplify the code because we won't have to
> keep another field up to date.

It is still required to track when can we free the policy.

-- 
viresh
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