smp_wmb            88 arch/x86/include/asm/barrier.h #define smp_wmb()	barrier()
smp_wmb            94 arch/x86/include/asm/barrier.h #define smp_wmb()	barrier()
smp_wmb            52 include/asm-generic/barrier.h #define smp_wmb()	wmb()
smp_wmb            57 include/asm-generic/barrier.h #define smp_wmb()	barrier()