From: Nick Piggin <piggin@cyberone.com.au>
To: William Lee Irwin III <wli@holomorphy.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: mem=16MB laptop testing
Date: Wed, 15 Oct 2003 10:35:59 +1000 [thread overview]
Message-ID: <3F8C966F.5080109@cyberone.com.au> (raw)
In-Reply-To: <20031014105514.GH765@holomorphy.com>
William Lee Irwin III wrote:
>So I tried mem=16m on my laptop (stinkpad T21). I made the following
>potentially useless observations:
>
snip
>
>inode_cache 840K 840K 100.00%
>dentry_cache 746K 753K 99.07%
>ext3_inode_cache 591K 592K 99.84%
>size-4096 504K 504K 100.00%
>size-512 203K 204K 99.75%
>size-2048 182K 204K 89.22%
>pgd 188K 188K 100.00%
>task_struct 100K 108K 92.86%
>vm_area_struct 93K 101K 92.28%
>blkdev_requests 101K 101K 100.00%
>
Hmm blkdev_requests looks big. 4 struct requests are allocated for every
queue,
which totals about 600 bytes. What does /sys/block and the
blkdev_requests line
from /proc/slabinfo look like?
next prev parent reply other threads:[~2003-10-15 0:36 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-10-14 10:55 mem=16MB laptop testing William Lee Irwin III
2003-10-14 11:01 ` John Bradford
2003-10-14 11:08 ` William Lee Irwin III
2003-10-14 13:20 ` John Bradford
2003-10-14 11:56 ` Andrew Morton
2003-10-14 11:58 ` Russell King
2003-10-14 12:10 ` Andrew Morton
2003-10-14 12:18 ` Russell King
2003-10-14 12:30 ` Andrew Morton
2003-10-14 12:17 ` Anton Blanchard
2003-10-14 12:31 ` Andrew Morton
2003-10-14 12:44 ` Anton Blanchard
2003-10-14 23:40 ` Andrew Morton
2003-10-15 13:32 ` Martin Waitz
2003-10-15 17:34 ` Andrew Morton
2003-10-14 12:28 ` William Lee Irwin III
2003-10-15 12:12 ` Pavel Machek
2003-10-15 12:51 ` William Lee Irwin III
2003-10-15 13:20 ` Pavel Machek
2003-10-15 13:28 ` William Lee Irwin III
2003-10-15 13:59 ` Larry Sendlosky
2003-10-15 15:34 ` Dave Jones
2003-10-15 15:38 ` Thomas Schlichter
2003-10-15 16:06 ` Dave Jones
2003-10-15 17:45 ` Mike Dresser
2003-10-15 15:32 ` Dave Jones
2003-10-15 17:20 ` Andrew Morton
2003-10-15 0:35 ` Nick Piggin [this message]
2003-10-15 4:31 ` Andrew Morton
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