ksys_fchmod       588 fs/open.c      	return ksys_fchmod(fd, mode);
ksys_fchmod      1241 include/linux/syscalls.h int ksys_fchmod(unsigned int fd, umode_t mode);
ksys_fchmod       339 init/initramfs.c 				ksys_fchmod(wfd, mode);