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SubjectRe: [PATCH 10/12] Add /sys trigger for per-node memory compaction
On Fri, Feb 19, 2010 at 06:53:59AM -0800, Greg KH wrote:
> On Thu, Feb 18, 2010 at 06:02:40PM +0000, Mel Gorman 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.
>
> As you are adding sysfs files, can you please also add documentation for
> the file in Documentation/ABI/ ?
>

I looked at this before and hit a wall and then forgot about it. I couldn't
find *where* I should document it at the time. There isn't a sysfs-devices-node
file to add to and much (all?) of what is in that branch appears undocumented.

--
Mel Gorman
Part-time Phd Student Linux Technology Center
University of Limerick IBM Dublin Software Lab


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