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Commit d17a55de authored by Yinghai Lu's avatar Yinghai Lu Committed by Ingo Molnar
Browse files

irq: make irqs in kernel stat use per_cpu_dyn_array 



Signed-off-by: default avatarYinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent fa42d10d

include/linux/kernel_stat.h

+4 −0
Original line number Diff line number Diff line
@@ -28,7 +28,11 @@ struct cpu_usage_stat { 


struct kernel_stat {

	struct cpu_usage_stat	cpustat;

#ifdef CONFIG_HAVE_DYN_ARRAY

	unsigned int *irqs;

#else

	unsigned int irqs[NR_IRQS];

#endif

};



DECLARE_PER_CPU(struct kernel_stat, kstat);

kernel/sched.c

+4 −1
Original line number Diff line number Diff line
@@ -4048,9 +4048,12 @@ static inline void idle_balance(int cpu, struct rq *rq) 
#endif



DEFINE_PER_CPU(struct kernel_stat, kstat);



EXPORT_PER_CPU_SYMBOL(kstat);



#ifdef CONFIG_HAVE_DYN_ARRAY

DEFINE_PER_CPU_DYN_ARRAY_ADDR(per_cpu__kstat_irqs, per_cpu__kstat.irqs, sizeof(unsigned int), nr_irqs, sizeof(unsigned long), NULL);

#endif



/*

 * Return p->sum_exec_runtime plus any more ns on the sched_clock

 * that have not yet been banked in case the task is currently running.