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

From: Viresh Kumar
Date: Thu Oct 15 2015 - 02:55:17 EST


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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/