From: Greg KH <greg@kroah.com>
To: Nathan Fontenot <nfont@austin.ibm.com>
Cc: linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org,
linux-kernel@vger.kernel.org,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Robin Holt <holt@sgi.com>
Subject: Re: [PATCH 0/4] De-couple sysfs memory directories from memory sections
Date: Thu, 20 Jan 2011 08:45:55 -0800 [thread overview]
Message-ID: <20110120164555.GA30922@kroah.com> (raw)
In-Reply-To: <4D386498.9080201@austin.ibm.com>
On Thu, Jan 20, 2011 at 10:36:40AM -0600, Nathan Fontenot wrote:
> The root of this issue is in sysfs directory creation. Every time
> a directory is created a string compare is done against sibling
> directories ( see sysfs_find_dirent() ) to ensure we do not create
> duplicates. The list of directory nodes in sysfs is kept as an
> unsorted list which results in this being an exponentially longer
> operation as the number of directories are created.
Again, are you sure about this? I thought we resolved this issue in the
past, but you were going to check it. Did you?
thanks,
greg k-h
next prev parent reply other threads:[~2011-01-20 16:47 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-20 16:36 [PATCH 0/4] De-couple sysfs memory directories from memory sections Nathan Fontenot
2011-01-20 16:43 ` [PATCH 1/4] Allow memory blocks to span multiple " Nathan Fontenot
2011-01-20 16:44 ` [PATCH 2/4] Update phys_index to [start|end]_section_nr Nathan Fontenot
2011-01-20 16:45 ` [PATCH 3/4]Define memory_block_size_bytes for powerpc/pseries Nathan Fontenot
2011-02-06 23:39 ` Benjamin Herrenschmidt
2011-02-07 1:42 ` Greg KH
2011-01-20 16:45 ` Greg KH [this message]
2011-01-20 16:51 ` [PATCH 0/4] De-couple sysfs memory directories from memory sections Nathan Fontenot
2011-01-20 17:25 ` Greg KH
2011-01-20 17:09 ` Dave Hansen
2011-01-20 16:46 ` [PATCH 4/4] Define memory_block_size_bytes for x86_64 with CONFIG_X86_UV Nathan Fontenot
-- strict thread matches above, loose matches on Subject: below --
2011-01-10 18:08 [PATCH 0/4] De-couple sysfs memory directories from memory sections Nathan Fontenot
2011-01-10 18:44 ` Greg KH
2011-01-10 18:47 ` Nathan Fontenot
2011-01-10 19:11 ` Robin Holt
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