Re: [PATCH -next] slub: Replace __this_cpu_inc usage w/ SLUB_STATS

From: Christoph Lameter
Date: Fri Mar 07 2014 - 12:09:45 EST


On Thu, 6 Mar 2014, Josh Cartwright wrote:

> Although, I'm wondering how exact these statistics need to be. Is
> making them preemption safe even a concern?

Not sure about that. You solution makes it preempt safe. If is can be
tolerated that its racy then raw_cpu_inc() could be used.
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