raw_cpu_xchg_4    424 arch/x86/include/asm/percpu.h #define raw_cpu_xchg_4(pcp, val)	raw_percpu_xchg_op(pcp, val)
raw_cpu_xchg_4    279 include/asm-generic/percpu.h #define raw_cpu_xchg_4(pcp, nval)	raw_cpu_generic_xchg(pcp, nval)