Re: vmstat: On demand vmstat workers V8

From: Christoph Lameter
Date: Mon Jul 28 2014 - 14:55:26 EST

On Fri, 25 Jul 2014, Sasha Levin wrote:

> This patch doesn't interact well with my fuzzing setup. I'm seeing
> the following:
> [ 490.446927] BUG: using __this_cpu_read() in preemptible [00000000] code: kworker/16:1/7368
> [ 490.447909] caller is __this_cpu_preempt_check+0x13/0x20

__this_cpu_read() from vmstat_update is only called from a kworker that
is bound to a single cpu. A false positive?
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