this_cpu_add_2    391 arch/x86/include/asm/percpu.h #define this_cpu_add_2(pcp, val)	percpu_add_op((pcp), val)
this_cpu_add_2    325 include/asm-generic/percpu.h #define this_cpu_add_2(pcp, val)	this_cpu_generic_to_op(pcp, val, +=)