Messages in this thread | | | Date | Thu, 19 Dec 2019 14:53:50 +0100 | From | Peter Zijlstra <> | Subject | Re: [PATCH RFC] sched: Micro optimization in pick_next_task() and in check_preempt_curr() |
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On Thu, Dec 19, 2019 at 08:50:42AM -0500, Steven Rostedt wrote: > On Thu, 19 Dec 2019 15:39:14 +0300 > Kirill Tkhai <ktkhai@virtuozzo.com> wrote: > > > @@ -6569,6 +6558,11 @@ void __init sched_init(void) > > unsigned long ptr = 0; > > int i; > > > > + BUG_ON(&idle_sched_class > &fair_sched_class || > > + &fair_sched_class > &rt_sched_class || > > + &rt_sched_class > &dl_sched_class || > > + &dl_sched_class > &stop_sched_class); > > + > > Can this be a BUILD_BUG_ON? These address should all be constants.
Nope, BUILD_BUG_ON() is for compile time constants, these are link time constants.
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