Re: [PATCH] slab: Don't scan cache_cache

[Pekka Enberg]

On Fri, 24 Feb 2006, Pekka J Enberg wrote:
> > From: Pekka Enberg <penberg@xxxxxxxxxxxxxx>
> > 
> > The cache_cache object cache is used for bootstrapping, but the cache is
> > essentially static. It is unlikely that we ever have more than one page
> > allocated for it. As SLAB_NO_REAP is gone now, fix a regression by skipping
> > cache_cache explicitly in cache_reap().

On Fri, 2006-02-24 at 08:16 -0800, Christoph Lameter wrote:
> There are other essentially static caches as well. Could we have something 
> more general?
> 
> Are you really seeing any measurable regression?

I haven't measured it but it seems obvious enough that especially for
low end boxes. I don't think something more general is required because
other static caches should use kmalloc() instead.

			Pekka

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