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Date: Wed, 21 Mar 2001 17:28:00 +0800
From: Zou Min <zoum@comp.nus.edu.sg>
To: Rik van Riel <riel@conectiva.com.br>
Cc: Josh Grebe <squash@primary.net>, Jan Harkes <jaharkes@cs.cmu.edu>,
        linux-kernel@vger.kernel.org
Subject: Re: Question about memory usage in 2.4 vs 2.2
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In-Reply-To: <Pine.LNX.4.21.0103201857170.3750-100000@imladris.rielhome.conectiva>; from riel@conectiva.com.br on Tue, Mar 20, 2001 at 07:18:43PM -0300
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> > slabinfo reports:
> > 
> > inode_cache       189974 243512    480 30439 30439    1 :  124   62
> > dentry_cache      201179 341940    128 11398 11398    1 :  252  126
>                                       ^
>   <name>            <used> <allocd>   |  <used> <allocd>
>                      <in objects>  <size>   <in pages>
> 

Then how to interpret slabinfo in 2.2.16 box? 
e.g. grep cache /proc/slabinfo

kmem_cache            32     42
skbuff_head_cache   2676   2730
dentry_cache       15626  16988
files_cache          103    108
uid_cache             10    127
slab_cache            85    126
what does those numbers mean?

Furthermore, are those cache info above reported as part of the total
cache in /proc/meminfo ? 

Lastly, which cache can be reclaimed, and which can't?

I am doing some memory measurements in 2.2.16 linux box. Thanks in advance!

-- 
Cheers!
--Zou Min 

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