Re: [PATCH]: Option to run cache reap in thread mode
From: Andrew Morton
Date: Wed Jun 16 2004 - 16:31:50 EST
Dimitri Sivanich <sivanich@xxxxxxx> 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.
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