* Linus Torvalds <[email protected]> wrote:
> And now, can the people who made the problem reports and complained
> about SLUB please test the patch - the ball is now in your court!
yep, and i ran a quick comparison test on a 2-core box with 3 kernels:
[ best of 5 runs in a row which had a relative jitter of less than 10% ]
MIN v2.6.24.slab v2.6.24.slub v2.6.24.slub.fix
----------------------------------------------------------
mmap: 429.00 402.00 ( -6%) 385.00 (-10%)
select: 11.38 10.46 ( -8%) 11.41 ( 0%)
proc-exec: 121.52 116.77 ( -3%) 120.77 ( 0%)
proc-fork: 106.84 106.19 ( 0%) 107.92 ( 1%)
syscall-open: 3.09 3.13 ( 1%) 3.25 ( 4%)
hackbench-50: 2.85 3.47 ( 21%) 2.88 ( 1%)
and the regression seems to be largely fixed! Not only is the hackbench
one fixed, but mmap shows an above-noise improvement as well.
Acked-by: Ingo Molnar <[email protected]>
And i hereby nominate Pekka as SLUB/SLAB co-maintainer and spokesperson
;-)
Ingo
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