Re: [patch v3 3/6] mm, compaction: add per-zone migration pfn cache for async compaction

2014-05-07 Thread Vlastimil Babka
On 05/07/2014 04:22 AM, David Rientjes wrote: Each zone has a cached migration scanner pfn for memory compaction so that subsequent calls to memory compaction can start where the previous call left off. Currently, the compaction migration scanner only updates the per-zone cached pfn when pageblo

[patch v3 3/6] mm, compaction: add per-zone migration pfn cache for async compaction

2014-05-06 Thread David Rientjes
Each zone has a cached migration scanner pfn for memory compaction so that subsequent calls to memory compaction can start where the previous call left off. Currently, the compaction migration scanner only updates the per-zone cached pfn when pageblocks were not skipped for async compaction.