Re: [PATCH 24/31] mm, vmscan: Avoid passing in classzone_idx unnecessarily to compaction_ready

[Hillf Danton]

> 
> The scan_control structure has enough information available for
> compaction_ready() to make a decision. The classzone_idx manipulations in
> shrink_zones() are no longer necessary as the highest populated zone is
> no longer used to determine if shrink_slab should be called or not.
> 
> Signed-off-by: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx>
> ---
Acked-by: Hillf Danton <hillf.zj@xxxxxxxxxxxxxxx>

>  mm/vmscan.c | 28 ++++++++--------------------
>  1 file changed, 8 insertions(+), 20 deletions(-)
>