aarch32_smp_mb     24 arch/arm64/include/asm/vdso/compat_barrier.h #define aarch32_smp_mb()	dmb(ish)
aarch32_smp_mb     28 arch/arm64/include/asm/vdso/compat_barrier.h #define aarch32_smp_mb()	dmb(ish)