__NR_preadv       736 arch/arm64/include/asm/unistd32.h __SYSCALL(__NR_preadv, compat_sys_preadv)
__NR_preadv       218 include/uapi/asm-generic/unistd.h __SC_COMP(__NR_preadv, sys_preadv, compat_sys_preadv)
__NR_preadv       218 tools/include/uapi/asm-generic/unistd.h __SC_COMP(__NR_preadv, sys_preadv, compat_sys_preadv)