Re: [PATCH 10/12] Add /sys trigger for per-node memory compaction

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On Fri, Feb 19, 2010 at 03:28:30PM +0000, Mel Gorman wrote:
> 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.

Well, you can always just document what you add, or you can document the
existing stuff as well.  It's your choice :)

thanks,

greg k-h

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