Re: [PATCH]: Option to run cache reap in thread mode

Andrew Morton
2004-06-16T21:30:40Z

Dimitri Sivanich <sivanich@sgi.com> wrote:
>
> In the process of testing per/cpu interrupt response times and CPU availability,
> I've found that running cache_reap() as a timer as is done currently results
> in some fairly long CPU holdoffs.

Before patching anything I want to understand what's going on in there.
Please share your analysis.

How long?

How many objects?

Which slab?

Why?

Thanks.