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SubjectRe: [PATCH 1/2] sched/deadline: accurate reclaim bandwidth for GRUB
> >
> > I felt that, since we are using sequential reclaim mentioned in the
> > paper and we isolate all parameters per-cpu(except for extra_bw) we
> > could use the "-dq = -(U/Umax) dt" equation as it was simpler than
> > equation (3).
>
> This is the part I am not sure about...
>
> Maybe the best way to go is to split the patch: first you implement (1)
> (and use div64 to remove the approximation I used), then you implement
> (3) in a second patch.
>
> Finally, if removing the max{} is really needed you can do it in a
> third patch (but I would try to go with Equation 3 before removing the
> max{})
>
Sure, I shall split the patch. Joel also suggested splitting the patch
and I was probably wrong to think that the patch was simple to be a
single patch :-).

Since equation (3) has theoretical backing, I am perfectly fine with
using it for our fix. Will have 2 patches as you suggested.

Will get the v3 out soon..

Thanks,
Vineeth

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