irq_matrix_reserve  202 arch/x86/kernel/apic/vector.c 	irq_matrix_reserve(vector_matrix);
irq_matrix_reserve 1189 include/linux/irq.h void irq_matrix_reserve(struct irq_matrix *m);
irq_matrix_reserve  120 include/trace/events/irq_matrix.h DEFINE_EVENT(irq_matrix_global, irq_matrix_reserve,