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

From	Viresh Kumar <viresh.kumar@linaro.org>
Newsgroups	linux.kernel
Subject	Re: [PATCH 4/5] cpufreq: create cpu/cpufreq/policyX directories
Date	2015-10-15 09:00 +0200
Message-ID	<qjKG6-74N-5@gated-at.bofh.it> (permalink)
References	<qisBA-6Ef-5@gated-at.bofh.it> <qisBA-6Ef-9@gated-at.bofh.it> <qiR6W-cl-17@gated-at.bofh.it> <qiYBr-2Ii-7@gated-at.bofh.it> <qjdqN-7D7-5@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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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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Thread

[PATCH 4/5] cpufreq: create cpu/cpufreq/policyX directories Viresh Kumar <viresh.kumar@linaro.org> - 2015-10-11 19:30 +0200
  Re: [PATCH 4/5] cpufreq: create cpu/cpufreq/policyX directories Saravana Kannan <skannan@codeaurora.org> - 2015-10-12 21:40 +0200
    Re: [PATCH 4/5] cpufreq: create cpu/cpufreq/policyX directories Viresh Kumar <viresh.kumar@linaro.org> - 2015-10-13 05:40 +0200
      Re: [PATCH 4/5] cpufreq: create cpu/cpufreq/policyX directories Saravana Kannan <skannan@codeaurora.org> - 2015-10-13 21:30 +0200
        Re: [PATCH 4/5] cpufreq: create cpu/cpufreq/policyX directories Viresh Kumar <viresh.kumar@linaro.org> - 2015-10-15 09:00 +0200
          Re: [PATCH 4/5] cpufreq: create cpu/cpufreq/policyX directories Saravana Kannan <skannan@codeaurora.org> - 2015-10-15 21:30 +0200
    Re: [PATCH 4/5] cpufreq: create cpu/cpufreq/policyX directories Viresh Kumar <viresh.kumar@linaro.org> - 2015-10-13 08:20 +0200
      Re: [PATCH 4/5] cpufreq: create cpu/cpufreq/policyX directories Saravana Kannan <skannan@codeaurora.org> - 2015-10-13 21:30 +0200

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