From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Greg KH <greg@kroah.com>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
linuxppc-dev@ozlabs.org
Subject: Re: [PATCH 0/8] v3 De-couple sysfs memory directories from memory sections
Date: Sun, 01 Aug 2010 10:27:31 +1000 [thread overview]
Message-ID: <1280622451.1902.33.camel@pasglop> (raw)
In-Reply-To: <20100731195506.GC4644@kroah.com>
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
prev parent reply other threads:[~2010-08-01 0:29 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-20 3:45 [PATCH 0/8] v3 De-couple sysfs memory directories from memory sections Nathan Fontenot
2010-07-20 3:51 ` [PATCH 1/8] v3 Move the find_memory_block() routine up Nathan Fontenot
2010-07-20 6:55 ` KAMEZAWA Hiroyuki
2010-07-20 3:52 ` [PATCH 2/8] v3 Add new phys_index properties Nathan Fontenot
2010-07-20 6:57 ` KAMEZAWA Hiroyuki
2010-07-20 13:24 ` Nathan Fontenot
2010-07-20 19:10 ` Dave Hansen
2010-07-20 3:53 ` [PATCH 3/8] v3 Add section count to memory_block Nathan Fontenot
2010-07-20 7:01 ` KAMEZAWA Hiroyuki
2010-07-20 13:26 ` Nathan Fontenot
2010-07-20 3:55 ` [PATCH 4/8] v3 Allow memory_block to span multiple memory sections Nathan Fontenot
2010-07-20 7:15 ` KAMEZAWA Hiroyuki
2010-07-20 13:28 ` Nathan Fontenot
2010-07-20 19:18 ` Dave Hansen
2010-07-24 3:09 ` Nathan Fontenot
2010-07-27 2:36 ` Dave Hansen
2010-07-26 19:10 ` Nathan Fontenot
2010-07-20 19:21 ` Dave Hansen
2010-07-20 3:56 ` [PATCH 5/8] v3 Update the find_memory_block declaration Nathan Fontenot
2010-07-20 7:16 ` KAMEZAWA Hiroyuki
2010-07-20 3:57 ` [PATCH 6/8] v3 Update the node sysfs code Nathan Fontenot
2010-07-20 7:17 ` KAMEZAWA Hiroyuki
2010-07-28 13:50 ` Brian King
2010-07-20 3:59 ` [PATCH 7/8] v3 Define memory_block_size_bytes() for ppc/pseries Nathan Fontenot
2010-07-21 20:27 ` Brian King
2010-07-20 3:59 ` [PATCH 8/8] v3 Update memory-hotplug documentation Nathan Fontenot
2010-07-20 19:23 ` Dave Hansen
2010-07-31 5:36 ` [PATCH 0/8] v3 De-couple sysfs memory directories from memory sections Benjamin Herrenschmidt
2010-07-31 19:55 ` Greg KH
2010-08-01 0:27 ` Benjamin Herrenschmidt [this message]
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