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SubjectRe: [patch 2/2] mm: vmscan: drop nr_force_scan[] from get_scan_count
On Fri 12-08-11 08:58:58, Johannes Weiner wrote:
> From: Johannes Weiner <>
> Subject: [patch] mm: vmscan: drop nr_force_scan[] from get_scan_count
> The nr_force_scan[] tuple holds the effective scan numbers for anon
> and file pages in case the situation called for a forced scan and the
> regularly calculated scan numbers turned out zero.
> However, the effective scan number can always be assumed to be
> SWAP_CLUSTER_MAX right before the division into anon and file. The
> numerators and denominator are properly set up for all cases, be it
> force scan for just file, just anon, or both, to do the right thing.

> Signed-off-by: Johannes Weiner <>

Nice. The code is much easier to read.
Reviewed-by: Michal Hocko <>

Michal Hocko
Lihovarska 1060/12
190 00 Praha 9
Czech Republic

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