Re: [PATCH 3/3] mm/compaction: add tracepoint to observe behaviour of compaction defer

2015-01-08 Thread Joonsoo Kim
On Tue, Jan 06, 2015 at 12:27:43PM +0100, Vlastimil Babka wrote: > On 12/03/2014 08:52 AM, Joonsoo Kim wrote: > > compaction deferring logic is heavy hammer that block the way to > > the compaction. It doesn't consider overall system state, so it > > could prevent user from doing compaction falsely

Re: [PATCH 3/3] mm/compaction: add tracepoint to observe behaviour of compaction defer

2015-01-06 Thread Vlastimil Babka
On 12/03/2014 08:52 AM, Joonsoo Kim wrote: > compaction deferring logic is heavy hammer that block the way to > the compaction. It doesn't consider overall system state, so it > could prevent user from doing compaction falsely. In other words, > even if system has enough range of memory to compact,

[PATCH 3/3] mm/compaction: add tracepoint to observe behaviour of compaction defer

2014-12-02 Thread Joonsoo Kim
compaction deferring logic is heavy hammer that block the way to the compaction. It doesn't consider overall system state, so it could prevent user from doing compaction falsely. In other words, even if system has enough range of memory to compact, compaction would be skipped due to compaction defe