Messages in this thread | | | From | KOSAKI Motohiro <> | Subject | Re: [RFC][PATCH] lru_add_drain_all() don't use schedule_on_each_cpu() | Date | Wed, 5 Nov 2008 18:55:53 +0900 (JST) |
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> On Wed, 2008-10-29 at 16:20 +0900, KOSAKI Motohiro wrote: > > > I guess we should document our newly discovered schedule_on_each_cpu() > > > problems before we forget about it and later rediscover it. > > > > Now, schedule_on_each_cpu() is only used by lru_add_drain_all(). > > and smp_call_function() is better way for cross call. > > > > So I propose > > 1. lru_add_drain_all() use smp_call_function() > > 2. remove schedule_on_each_cpu() > > > > > > Thought? > > At the very least that will not solve the problem on -rt where a lot of > the smp_call_function() users are converted to schedule_on_each_cpu().
yup. Now, I testing "simple dropping lru_add_drain_all() in mlock path" patch.
Thanks.
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