sys_munlock 316 arch/arm64/include/asm/unistd32.h __SYSCALL(__NR_munlock, sys_munlock) sys_munlock 871 include/linux/syscalls.h asmlinkage long sys_munlock(unsigned long start, size_t len); sys_munlock 664 include/uapi/asm-generic/unistd.h __SYSCALL(__NR_munlock, sys_munlock) sys_munlock 664 tools/include/uapi/asm-generic/unistd.h __SYSCALL(__NR_munlock, sys_munlock)