Re: [PATCH 07/28] mm, page_alloc: Avoid unnecessary zone lookups during pageblock operations

[Vlastimil Babka]

On 04/15/2016 10:58 AM, Mel Gorman wrote:
> Pageblocks have an associated bitmap to store migrate types and whether
> the pageblock should be skipped during compaction. The bitmap may be
> associated with a memory section or a zone but the zone is looked up
> unconditionally. The compiler should optimise this away automatically so
> this is a cosmetic patch only in many cases.
>
> Signed-off-by: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx>

Acked-by: Vlastimil Babka <vbabka@xxxxxxx>