Messages in this thread | | | Subject | Re: [Bug #11308] tbench regression on each kernel release from 2.6.22 -> 2.6.28 | From | Mike Galbraith <> | Date | Wed, 17 Sep 2008 20:16:11 +0200 |
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On Wed, 2008-09-17 at 16:47 +0200, Eric Dumazet wrote:
> Could you please try following patch ? > > [PATCH] security_ops moved to read_mostly section > > "struct security_operations *security_ops" should be moved to read_mostly > section in order to NOT let it share a cache line with higly modified variables.
v2.6.26-974-g2846693 (tip of revert reverts tree, == 847106f) 16384 87380 1 1 60.00 94350.45 16384 87380 1 1 60.01 95857.25 16384 87380 1 1 60.00 95334.84 16384 87380 1 1 60.00 95052.11
v2.6.26-659-g7804ad8 (first commit prior, == 2069f45) 16384 87380 1 1 60.00 98630.64 16384 87380 1 1 60.00 98653.14 16384 87380 1 1 60.00 99162.65 16384 87380 1 1 60.00 98652.38
v2.6.26-974-g2846693 patched 16384 87380 1 1 60.00 95877.41 16384 87380 1 1 60.00 95810.27 16384 87380 1 1 60.00 95530.03 16384 87380 1 1 60.00 94968.12
(poo, "it" didn't die)
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