PER_CPU_FIRST_SECTION  123 include/linux/percpu-defs.h 	DECLARE_PER_CPU_SECTION(type, name, PER_CPU_FIRST_SECTION)
PER_CPU_FIRST_SECTION  126 include/linux/percpu-defs.h 	DEFINE_PER_CPU_SECTION(type, name, PER_CPU_FIRST_SECTION)