Re: [patch 4/9] slab: cache_estimate cleanup

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> This patch cleans up cache_estimate in mm/slab.c and improves the algorithm
> by taking an initial guess before executing the while loop. The optimization
> was originally made by Balbir Singh with further improvements from Steven
> Rostedt. Manfred Spraul provider further modifications: no loop at all for
> the off-slab case and explain the background.
> Signed-off-by: Manfred Spraul <[email protected]>
> Signed-off-by: Pekka Enberg <[email protected]>

I had prepared this patch about five years ago and completely forgot about it.

Acked-by: Balbir Singh <[email protected]>
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