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SubjectRe: [PATCH -cfs] Fix cpu_load calculation error

* Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com> wrote:

> Ingo/Dmitry,
> I am resending the patch to fix cpu_load calculation error in
> cfs v17, this time CCing lkml.

> v17 cpu_load calculation didn't take into account that a class's
> delta_exec/fair may be stale because it could not get an opportunity
> to run. This can lead to incorrect calculation of a class's load. This
> patch removes load tracking from individual classes and instead
> introduces a global per-cpu load tracking common to all classes in
> kernel/sched.c itself.
>
> Thanks to Dmitry for suggesting this idea.
>
> Signed-off-by : Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com>

thanks Srivatsa, i've applied this to the -v18 tree and everything's
looking good so far!

Ingo
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