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SubjectRe: [PATCH 2/2] mm: vmstat: Use a single setter function and callback for adjusting percpu thresholds
On Wed, 27 Oct 2010 09:47:36 +0100
Mel Gorman <> wrote:

> reduce_pgdat_percpu_threshold() and restore_pgdat_percpu_threshold()
> exist to adjust the per-cpu vmstat thresholds while kswapd is awake to
> avoid errors due to counter drift. The functions duplicate some code so
> this patch replaces them with a single set_pgdat_percpu_threshold() that
> takes a callback function to calculate the desired threshold as a
> parameter.
> Signed-off-by: Mel Gorman <>

Reviewed-by: KAMEZAWA Hiroyuki <>

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