From: Ed Tomlinson <edt@aei.ca>
To: Chris Wedgwood <cw@f00f.org>
Cc: Linus Torvalds <torvalds@osdl.org>,
Mike Fedyk <mfedyk@matchmail.com>,
linux-kernel@vger.kernel.org
Subject: Re: Large slab cache in 2.6.1
Date: Sun, 22 Feb 2004 09:03:07 -0500 [thread overview]
Message-ID: <200402220903.08299.edt@aei.ca> (raw)
In-Reply-To: <Pine.LNX.4.58.0402211919360.3301@ppc970.osdl.org>
On February 21, 2004 10:28 pm, Linus Torvalds wrote:
> On Sat, 21 Feb 2004, Chris Wedgwood wrote:
>
> >
> > Maybe gradual page-cache pressure could shirnk the slab?
>
>
> What happened to the experiment of having slab pages on the (in)active
> lists and letting them be free'd that way? Didn't somebody already do
> that? Ed Tomlinson and Craig Kulesa?
You have a good memory.
We dropped this experiment since there was a lot of latency between the time a
slab page became freeable and when it was actually freed. The current
call back scheme was designed to balance slab preasure and vmscaning.
Ed Tomlinson
> That's still something I'd like to try, although that's obviously 2.7.x
> material, so not useful for rigth now.
>
> Or did the experiment just never work out well?
>
> Linus
> -
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> Please read the FAQ at http://www.tux.org/lkml/
>
next prev parent reply other threads:[~2004-02-22 14:03 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-02-22 0:50 Large slab cache in 2.6.1 Mike Fedyk
2004-02-22 1:09 ` Mike Fedyk
2004-02-22 1:20 ` William Lee Irwin III
2004-02-22 2:03 ` Mike Fedyk
2004-02-22 2:17 ` William Lee Irwin III
2004-02-22 2:38 ` Nick Piggin
2004-02-22 2:46 ` William Lee Irwin III
2004-02-22 2:40 ` Mike Fedyk
2004-02-22 2:58 ` Nick Piggin
2004-02-22 2:33 ` Nick Piggin
2004-02-22 2:46 ` Nick Piggin
2004-02-22 2:54 ` Nick Piggin
2004-02-22 2:36 ` Chris Wedgwood
2004-02-22 3:03 ` Linus Torvalds
2004-02-22 3:11 ` Chris Wedgwood
2004-02-22 3:28 ` Linus Torvalds
2004-02-22 3:29 ` Chris Wedgwood
2004-02-22 3:31 ` Chris Wedgwood
2004-02-22 4:01 ` Nick Piggin
2004-02-22 4:10 ` Nick Piggin
2004-02-22 4:30 ` Nick Piggin
2004-02-22 4:41 ` Mike Fedyk
2004-02-22 5:37 ` Nick Piggin
2004-02-22 5:44 ` Chris Wedgwood
2004-02-22 5:52 ` Nick Piggin
2004-02-22 5:50 ` Mike Fedyk
2004-02-22 6:01 ` Nick Piggin
2004-02-22 6:17 ` Andrew Morton
2004-02-22 6:35 ` Nick Piggin
2004-02-22 6:57 ` Andrew Morton
2004-02-22 7:20 ` Nick Piggin
2004-02-22 8:36 ` Chris Wedgwood
2004-02-22 9:13 ` Andrew Morton
2004-02-23 0:16 ` Nick Piggin
2004-02-23 0:26 ` Andrew Morton
2004-02-23 0:34 ` Nick Piggin
2004-02-23 0:46 ` Andrew Morton
2004-02-23 0:54 ` Nick Piggin
2004-02-23 1:00 ` Andrew Morton
2004-02-23 1:06 ` Nick Piggin
2004-02-22 6:45 ` Mike Fedyk
2004-02-22 6:58 ` Nick Piggin
2004-02-22 7:20 ` Mike Fedyk
2004-02-22 6:09 ` Andrew Morton
2004-02-22 17:05 ` Linus Torvalds
2004-02-23 0:29 ` Nick Piggin
2004-02-22 6:15 ` Andrew Morton
2004-02-22 16:08 ` Martin J. Bligh
2004-02-22 17:55 ` Jamie Lokier
2004-02-23 3:45 ` Mike Fedyk
2004-02-22 21:13 ` Dipankar Sarma
2004-02-22 14:03 ` Ed Tomlinson [this message]
2004-02-23 2:28 ` Mike Fedyk
2004-02-23 3:33 ` Ed Tomlinson
2004-02-22 3:21 ` Mike Fedyk
-- strict thread matches above, loose matches on Subject: below --
2004-02-22 11:00 Manfred Spraul
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