From: Manfred Spraul <manfred@colorfullife.com>
To: Andi Kleen <ak@suse.de>
Cc: David Chinner <dgc@sgi.com>, Bharata B Rao <bharata@in.ibm.com>,
Theodore Ts'o <tytso@mit.edu>,
Dipankar Sarma <dipankar@in.ibm.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: VM balancing issues on 2.6.13: dentry cache not getting shrunk enough
Date: Wed, 14 Sep 2005 11:16:27 +0200 [thread overview]
Message-ID: <4327EA6B.6090102@colorfullife.com> (raw)
In-Reply-To: <200509141101.16781.ak@suse.de>
Andi Kleen wrote:
>The slab datastructures are not completely suited for this right now,
>but it could be done by using one more of the list_heads in struct page
>for slab backing pages.
>
>
>
I agree, I even started prototyping something a year ago, but ran out of
time.
One tricky point are directory dentries: As far as I see, they are
pinned and unfreeable if a (freeable) directory entry is in the cache.
--
Manfred
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next prev parent reply other threads:[~2005-09-14 9:16 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-09-11 10:57 Theodore Ts'o
2005-09-11 12:00 ` Dipankar Sarma
2005-09-12 3:16 ` Theodore Ts'o
2005-09-12 6:16 ` Martin J. Bligh
2005-09-12 12:53 ` Bharata B Rao
2005-09-13 8:47 ` Bharata B Rao
2005-09-13 21:59 ` David Chinner
2005-09-14 9:01 ` Andi Kleen
2005-09-14 9:16 ` Manfred Spraul [this message]
2005-09-14 9:43 ` Andrew Morton
2005-09-14 9:52 ` Dipankar Sarma
2005-09-14 22:44 ` Theodore Ts'o
2005-09-14 9:35 ` Andrew Morton
2005-09-14 13:57 ` Martin J. Bligh
2005-09-14 15:37 ` Sonny Rao
2005-09-15 7:21 ` Helge Hafting
2005-09-14 22:48 ` David Chinner
2005-09-14 15:48 ` Sonny Rao
2005-09-14 22:02 ` David Chinner
2005-09-14 22:40 ` Sonny Rao
2005-09-15 1:14 ` David Chinner
2005-10-06 6:27 ` [PATCH] dcache: separate slab for directory dentries David Chinner, gnb
2005-10-06 12:28 ` Dave Kleikamp
2005-10-07 3:54 ` Greg Banks
2005-10-07 13:00 ` Dave Kleikamp
2005-09-14 21:34 ` VM balancing issues on 2.6.13: dentry cache not getting shrunk enough Marcelo Tosatti
2005-09-14 21:43 ` Dipankar Sarma
2005-09-15 4:28 ` Bharata B Rao
2005-09-14 23:08 ` Marcelo Tosatti
2005-09-15 9:39 ` Bharata B Rao
2005-09-15 13:29 ` Marcelo Tosatti
2005-10-02 16:32 ` Bharata B Rao
2005-10-02 20:06 ` Marcelo
2005-10-04 13:36 ` shrinkable cache statistics [was Re: VM balancing issues on 2.6.13: dentry cache not getting shrunk enough] Bharata B Rao
2005-10-05 21:25 ` Marcelo Tosatti
2005-10-07 8:12 ` Bharata B Rao
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