Re: 2.4.20, .text.lock.swap cpu usage? (ibm x440)

Andrew Morton
2003-01-06T23:44:07Z

Chris Wood wrote:
>
> Due to kswapd problems in Redhat's 2.4.9 kernel, I have had to upgrade
> to the 2.4.20 kernel with the IBM Summit Patches for our IBM x440.
> ...
> 16480 total 0.0138
> 6383 .text.lock.swap 110.0517
> 4689 .text.lock.vmscan 28.2470
> 4486 shrink_cache 4.6729
> 168 rw_swap_page_base 0.6176
> 124 prune_icache 0.5167

With six gigs of memory, it looks like the VM has gone nuts
trying to locate some reclaimable lowmem.

Suggest you send the contents of /proc/meminfo and /proc/slabinfo,
captured during a period of misbehaviour.

Then please apply
http://www.kernel.org/pub/linux/kernel/people/andrea/kernels/v2.4/2.4.20aa1.bz2
and send a report on the outcome.