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SubjectRe: [PATCH v6 2/6] PM / Runtime: introduce pm_runtime_set_memalloc_noio()
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On Wed, Nov 28, 2012 at 5:19 AM, Rafael J. Wysocki <rjw@sisk.pl> wrote:
>
> Please use counters instead of walking the whole path every time. Ie. in
> addition to the flag add a counter to store the number of the device's
> children having that flag set.

Even though counter is added, walking the whole path can't be avoided too,
and may be a explicit walking or recursion, because pm_runtime_set_memalloc_noio
is required to set or clear the flag(or increase/decrease the counter) of
devices in the whole path.

Thanks,
--
Ming Lei


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