Messages in this thread | | | Date | Wed, 7 Apr 2010 16:42:06 +0100 | From | Mel Gorman <> | Subject | Re: [PATCH 10/14] Add /sys trigger for per-node memory compaction |
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On Tue, Apr 06, 2010 at 05:05:59PM -0700, Andrew Morton wrote: > On Fri, 2 Apr 2010 17:02:44 +0100 > Mel Gorman <mel@csn.ul.ie> wrote: > > > This patch adds a per-node sysfs file called compact. When the file is > > written to, each zone in that node is compacted. The intention that this > > would be used by something like a job scheduler in a batch system before > > a job starts so that the job can allocate the maximum number of > > hugepages without significant start-up cost. > > Would it make more sense if this was a per-memcg thing rather than a > per-node thing? >
Kamezawa Hiroyuki covered this perfectly. memcg doesn't care and while cpuset might, there are a lot more people working with nodes than there are with cpuset.
-- Mel Gorman Part-time Phd Student Linux Technology Center University of Limerick IBM Dublin Software Lab
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