Re: [PATCH 0/8] v3 De-couple sysfs memory directories from memorysections

From: Greg KH
Date: Sat Jul 31 2010 - 15:58:53 EST

On Sat, Jul 31, 2010 at 03:36:24PM +1000, Benjamin Herrenschmidt wrote:
> On Mon, 2010-07-19 at 22:45 -0500, Nathan Fontenot wrote:
> > This set of patches de-couples the idea that there is a single
> > directory in sysfs for each memory section. The intent of the
> > patches is to reduce the number of sysfs directories created to
> > resolve a boot-time performance issue. On very large systems
> > boot time are getting very long (as seen on powerpc hardware)
> > due to the enormous number of sysfs directories being created.
> > On a system with 1 TB of memory we create ~63,000 directories.
> > For even larger systems boot times are being measured in hours.
> Greg, Kame, how do we proceed with these ? I'm happy to put them in
> powerpc.git with appropriate acks or will you take them ?

I thought there would be at least one more round of these patches based
on the review comments, right?

I'll be glad to take them when everyone agrees with them.


greg k-h
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