percpu_xchg_op    441 arch/x86/include/asm/percpu.h #define this_cpu_xchg_1(pcp, nval)	percpu_xchg_op(volatile, pcp, nval)
percpu_xchg_op    442 arch/x86/include/asm/percpu.h #define this_cpu_xchg_2(pcp, nval)	percpu_xchg_op(volatile, pcp, nval)
percpu_xchg_op    443 arch/x86/include/asm/percpu.h #define this_cpu_xchg_4(pcp, nval)	percpu_xchg_op(volatile, pcp, nval)
percpu_xchg_op    496 arch/x86/include/asm/percpu.h #define this_cpu_xchg_8(pcp, nval)		percpu_xchg_op(volatile, pcp, nval)