From: Greg KH <greg@kroah.com>
To: Christian Borntraeger <CBORNTRA@de.ibm.com>
Cc: Al Viro <viro@parcelfarce.linux.theplanet.co.uk>,
Patrick Mochel <mochel@osdl.org>,
LKML <linux-kernel@vger.kernel.org>,
Dipankar Sarma <dipankar@in.ibm.com>
Subject: Re: [RFC 0/6] Backing Store for sysfs
Date: Mon, 6 Oct 2003 10:41:28 -0700 [thread overview]
Message-ID: <20031006174128.GA4460@kroah.com> (raw)
In-Reply-To: <OF6873DDE8.877C0EE8-ONC1256DB7.005F0935-C1256DB7.0060DEDC@de.ibm.com>
On Mon, Oct 06, 2003 at 07:38:06PM +0200, Christian Borntraeger wrote:
> Greg KH wrote:
>
> > On Mon, Oct 06, 2003 at 02:29:15PM +0530, Maneesh Soni wrote:
> >>
> >> 2.6.0-test6 With patches.
> >> -----------------
> >> dentry_cache (active) 2520 2544
> >> inode_cache (active) 1058 1050
> >> LowFree 875032 KB 874748 KB
> >
> > So with these patches we actually eat up more LowFree if all sysfs
> > entries are searched, and make the dentry_cache bigger? That's not good
> > :(
> [...]
> > information for that kobject. So I don't see any savings in these
> > patches, do you?
>
> I do. As stated earlier, with 20000 devices on a S390 guest I have around
> 350MB slab memory after rebooting.
> With this patch, the slab memory reduces to 60MB.
That's good. But what happens after you run a find over the sysfs tree?
Which is essencially what udev will be doing :)
thanks,
greg k-h
next prev parent reply other threads:[~2003-10-06 17:44 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-10-06 17:38 [RFC 0/6] Backing Store for sysfs Christian Borntraeger
2003-10-06 17:41 ` Greg KH [this message]
2003-10-06 18:00 ` Kevin P. Fleming
2003-10-06 18:11 ` Greg KH
2003-10-06 18:23 ` Kevin P. Fleming
2003-10-06 18:30 ` Greg KH
2003-10-06 18:38 ` Kevin P. Fleming
2003-10-07 8:30 ` Maneesh Soni
[not found] <Dzxw.1wW.3@gated-at.bofh.it>
[not found] ` <DGfG.4UY.3@gated-at.bofh.it>
[not found] ` <DHv1.5Ir.1@gated-at.bofh.it>
[not found] ` <DHEU.7ET.19@gated-at.bofh.it>
[not found] ` <DHY6.3c0.7@gated-at.bofh.it>
[not found] ` <DI7S.58w.13@gated-at.bofh.it>
2003-10-06 19:01 ` Pascal Schmidt
2003-10-06 19:10 ` Greg KH
2003-10-07 0:15 ` Pascal Schmidt
-- strict thread matches above, loose matches on Subject: below --
2003-10-06 18:19 Christian Borntraeger
2003-10-06 12:34 Christian Borntraeger
2003-10-06 8:59 Maneesh Soni
2003-10-06 16:08 ` Greg KH
2003-10-06 17:31 ` Dipankar Sarma
2003-10-06 17:38 ` Greg KH
2003-10-06 18:01 ` Dipankar Sarma
2003-10-06 18:09 ` Greg KH
2003-10-06 18:31 ` Dipankar Sarma
2003-10-06 18:34 ` Greg KH
2003-10-07 9:08 ` Andreas Jellinghaus
2003-10-06 18:44 ` Patrick Mochel
2003-10-06 19:27 ` Dipankar Sarma
2003-10-06 19:30 ` viro
2003-10-06 20:01 ` Dipankar Sarma
2003-10-06 20:34 ` viro
2003-10-07 4:47 ` Maneesh Soni
2003-10-06 19:33 ` Patrick Mochel
2003-10-06 20:26 ` Dipankar Sarma
2003-10-06 20:29 ` Patrick Mochel
2003-10-07 4:31 ` Maneesh Soni
2003-10-07 5:25 ` Nick Piggin
2003-10-07 7:17 ` Maneesh Soni
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