per-cpu slab

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I've uploaded a new version:

http://colorfullife.com/~manfred/slab/patch-slab-cpu-G

Changes:
* critical bug fix: a wrong goto caused rare lockups (SMP) under high
load.
* cleaned up statistic counters. Are there any programs that parse
"/proc/slabinfo"? It's still one line per cache, but most values have
changed.
* per-cpu caches are now tunable.

# echo "size-2048 1022 100" > /proc/slabinfo
                   (1) (2)
(1) len of the per-cpu array
(2) number of entries that are freed/allocated when the per-cpu array
overflows.

#echo "size-4096 0 0" > /proc/slabinfo

disables the per-cpu arrays for 4096 byte kmalloc's.

--
	Manfred
P.S.: I renamed myself from manfreds to manfred and forgot to add an
apache rule. 5 or 6 developers tried to download the last version before
I noticed the problem. Sorry.
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