Re: mem=16MB laptop testing

Nick Piggin
2003-10-15T00:36:12Z

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?