Messages in this thread |  | | | Date | Sun, 9 Sep 2001 17:26:01 -0300 (BRST) | | From | Rik van Riel <> | | Subject | Re: Purpose of the mm/slab.c changes |
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On Sun, 9 Sep 2001, Alan Cox wrote:
> > > doesn't matter which free page is used first/last. > > > > You're full of crap. > > LIFO is obviously superior due to cache re-use. > > Interersting question however. On SMP without sufficient per CPU > slab caches is tht still the case ?
By definition, no.
If we're allocating and freeing the slabs at such a fast speed that the slabs which are NOT in the per-CPU caches are still in the cache, chances are our per-CPU caches are too small.
regards,
Rik -- IA64: a worthy successor to the i860.
http://www.surriel.com/ http://www.conectiva.com/ http://distro.conectiva.com/
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