Re: [patch] slub: allow stats to be cleared

[Pekka Enberg]

David Rientjes wrote:
> When collecting slub stats for particular workloads, it's necessary to
> collect each statistic for all caches before the job is even started
> because the counters are usually greater than zero just from boot and
> initialization.
>
> This allows a statistic to be cleared on each cpu by writing '0' to its
> sysfs file.  This creates a baseline for statistics of interest before
> the workload is started.
>
> Setting a statistic to a particular value is not supported, so all values
> written to these files other than '0' returns -EINVAL.
>
> Cc: Christoph Lameter <cl@xxxxxxxxxxxxxxxxxxxx>
> Signed-off-by: David Rientjes <rientjes@xxxxxxxxxx>

Applied, thanks!
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