From: Greg KH <greg@kroah.com>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Nathan Fontenot <nfont@austin.ibm.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
linuxppc-dev@ozlabs.org,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Subject: Re: [PATCH 0/8] v3 De-couple sysfs memory directories from memory sections
Date: Sat, 31 Jul 2010 12:55:06 -0700 [thread overview]
Message-ID: <20100731195506.GC4644@kroah.com> (raw)
In-Reply-To: <1280554584.1902.31.camel@pasglop>
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.
thanks,
greg k-h
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next prev parent reply other threads:[~2010-07-31 19:58 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-20 3:45 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 [this message]
2010-08-01 0:27 ` Benjamin Herrenschmidt
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