From: Manfred Spraul <manfred@colorfullife.com>
To: Andrew Morton <akpm@osdl.org>
Cc: linux-kernel@vger.kernel.org, Linus Torvalds <torvalds@osdl.org>
Subject: Re: Large slab cache in 2.6.1
Date: Sun, 22 Feb 2004 12:00:28 +0100 [thread overview]
Message-ID: <40388BCC.2050309@colorfullife.com> (raw)
>
>
>Linus Torvalds <torvalds@osdl.org> wrote:
>>
>> 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?
>
>That was Ed. Because we cannot reclaim slab pages direct from the LRU
>
I think that this is needed: Bonwick's slab algorithm (i.e. two-level
linked lists, implemented in cache_alloc_refill and free_block) is
intended for unfreeable objects.
The dentry cache is a cache of freeable objects - a different algorithm
would be more efficient for shrinking the dentry cache after an updatedb.
I had started prototyping, but didn't get far.
--
Manfred
next reply other threads:[~2004-02-22 11:14 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-02-22 11:00 Manfred Spraul [this message]
-- strict thread matches above, loose matches on Subject: below --
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
2004-02-23 2:28 ` Mike Fedyk
2004-02-23 3:33 ` Ed Tomlinson
2004-02-22 3:21 ` Mike Fedyk
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