raw_cpu_xchg_8    487 arch/x86/include/asm/percpu.h #define raw_cpu_xchg_8(pcp, nval)		raw_percpu_xchg_op(pcp, nval)
raw_cpu_xchg_8    282 include/asm-generic/percpu.h #define raw_cpu_xchg_8(pcp, nval)	raw_cpu_generic_xchg(pcp, nval)