Messages in this thread | | | Date | Thu, 26 Sep 2002 16:13:28 +0200 | From | Manfred Spraul <> | Subject | Re: [patch 3/4] slab reclaim balancing |
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> Slab caches no longer hold onto completely empty pages. Instead, pages > are freed as soon as they have zero objects. This is possibly a > performance hit for slabs which have constructors, but it's doubtful.
It could be a performance hit for slab with just one object - e.g the page sized names cache, used in every syscall that has a path name as a parameter.
Ed, have you benchmarked that there is no noticable slowdown? e.g. test the time needed for stat("."). on UP, otherwise the SMP arrays would perform the caching.
-- Manfred
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