Re: [patch v2 1/2] mm, zone: track number of movable free pages

2016-11-29 Thread Vlastimil Babka
On 11/30/2016 01:16 AM, David Rientjes wrote: An upcoming compaction change will need the number of movable free pages per zone to determine if async compaction will become unnecessarily expensive. This patch introduces no functional change or increased memory footprint. It simply tracks the num

[patch v2 1/2] mm, zone: track number of movable free pages

2016-11-29 Thread David Rientjes
An upcoming compaction change will need the number of movable free pages per zone to determine if async compaction will become unnecessarily expensive. This patch introduces no functional change or increased memory footprint. It simply tracks the number of free movable pages as a subset of the tot