Re: [patch] mm, compaction: ignore pageblock skip when manually invoking compaction

2014-01-24 Thread Mel Gorman
On Wed, Jan 22, 2014 at 09:56:31PM -0800, David Rientjes wrote: > The cached pageblock hint should be ignored when triggering compaction > through /proc/sys/vm/compact_memory so all eligible memory is isolated. > Manually invoking compaction is known to be expensive, there's no need to > skip pag

[patch] mm, compaction: ignore pageblock skip when manually invoking compaction

2014-01-22 Thread David Rientjes
The cached pageblock hint should be ignored when triggering compaction through /proc/sys/vm/compact_memory so all eligible memory is isolated. Manually invoking compaction is known to be expensive, there's no need to skip pageblocks based on heuristics (mainly for debugging). Signed-off-by: Davi