Messages in this thread | | | Date | Tue, 2 Oct 2018 20:53:53 +0200 | From | Ingo Molnar <> | Subject | Re: [PATCH 4/5] locking/lockdep: Make class->ops a percpu counter |
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* Peter Zijlstra <peterz@infradead.org> wrote:
> On Tue, Oct 02, 2018 at 10:10:48AM -0400, Waiman Long wrote: > > One alternative is to group it under CONFIG_DEBUG_LOCKDEP again. This > > metric was originally under CONFIG_DEBUG_LOCKDEP, but was moved to > > CONFIG_LOCKDEP when trying to make other lock debugging statistics > > per-cpu counters. It was probably because this metric is per lock class > > while the rests are global. > > > > By doing so, you incur the memory cost only when CONFIG_DEBUG_LOCKDEP is > > defined. > > > > What do you think? > > Works for me.
Sounds good to me too!
Thanks,
Ingo
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