Messages in this thread | | | Subject | Re: [PATCH] slab: Don't scan cache_cache | From | Pekka Enberg <> | Date | Sat, 25 Feb 2006 23:50:13 +0200 |
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On Fri, 24 Feb 2006, Pekka J Enberg wrote: > > From: Pekka Enberg <penberg@cs.helsinki.fi> > > > > 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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