From: Andrew Morton <akpm@osdl.org>
To: "Adam J. Richter" <adam@yggdrasil.com>
Cc: maneesh@in.ibm.com, greg@kroah.com, linux-kernel@vger.kernel.org
Subject: Re: [Patch] Delete sysfs_dirent.s_count, saving ~100kB on my system
Date: Wed, 1 Dec 2004 13:07:03 -0800 [thread overview]
Message-ID: <20041201130703.79a3f3b5.akpm@osdl.org> (raw)
In-Reply-To: <200412011856.iB1IuAc21682@adam.yggdrasil.com>
"Adam J. Richter" <adam@yggdrasil.com> wrote:
>
> Here is a rewrite of my patch to remove sysfs_dirent.s_count,
> reducing the memory chunk that kmalloc uses for sysfs_dirent from
> 64 to 32 bytes, thereby saving about 120kB for the 3700+ nodes in
> /sys on the ordinary PC on which I am typing this message.
That's all well and good, but sysfs_new_dirent() should be using a
standalone slab cache for allocating sysfs_dirent instances. That way, we
use 36 bytes for each one rather than 64.
next prev parent reply other threads:[~2004-12-01 21:08 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-12-01 18:56 Adam J. Richter
2004-12-01 21:07 ` Andrew Morton [this message]
2004-12-01 23:51 ` Chris Wright
2004-12-17 23:27 ` Greg KH
2004-12-30 13:34 ` Maneesh Soni
-- strict thread matches above, loose matches on Subject: below --
2004-12-02 2:59 Adam J. Richter
2004-11-23 4:08 Adam J. Richter
2004-11-22 19:17 Adam J. Richter
2004-11-22 22:53 ` Maneesh Soni
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