| Subject | Re: [PATCH tip/core/rcu 07/23] rcu: Provide OOM handler to motivate lazy RCU callbacks | From | Peter Zijlstra <> | Date | Thu, 06 Sep 2012 15:46:37 +0200 |
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On Thu, 2012-08-30 at 11:18 -0700, Paul E. McKenney wrote: > + get_online_cpus(); > + for_each_online_cpu(cpu) > + for_each_rcu_flavor(rsp) > + smp_call_function_single(cpu, rcu_oom_notify_cpu, > + rsp, 1); > + put_online_cpus();
I guess blasting IPIs around is better than OOM but still.. do you really need to wait for each cpu individually, or would a construct using on_each_cpu() be possible, or better yet, on_each_cpu_cond()?
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