On 12/15/18 12:02 AM, Mel Gorman wrote: > The last_migrated_pfn field is a bit dubious as to whether it really helps > but either way, the information from it can be inferred without increasing > the size of compact_control so remove the field. Yeah looks like this won't cause more frequent drains. > Signed-off-by: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx> Acked-by: Vlastimil Babka <vbabka@xxxxxxx>