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

Christoph Lameter
2014-03-07T17:09:38Z

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.