[PATCH 0/8] v3 De-couple sysfs memory directories from memory sections
Benjamin Herrenschmidt
benh at kernel.crashing.org
Sun Aug 1 10:27:31 EST 2010
On Sat, 2010-07-31 at 12:55 -0700, Greg KH wrote:
> 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?
Yes, but I was nontheless inquiring whether I should pick them up after
said repost :-)
> I'll be glad to take them when everyone agrees with them.
Ok, good, one less thing to worry about in powerpc patchwork :-)
Cheers,
Ben.
> thanks,
>
> greg k-h
More information about the Linuxppc-dev
mailing list