sys_chmod          44 arch/arm64/include/asm/unistd32.h __SYSCALL(__NR_chmod, sys_chmod)
sys_chmod        1040 include/linux/syscalls.h asmlinkage long sys_chmod(const char __user *filename, umode_t mode);
sys_chmod        1810 tools/include/nolibc/nolibc.h 	int ret = sys_chmod(path, mode);