FD_SET             34 fs/fcntl.c     		FD_SET(fd, fdt->close_on_exec);
FD_SET             96 fs/fcntl.c     	FD_SET(newfd, fdt->open_fds);
FD_SET             98 fs/fcntl.c     		FD_SET(newfd, fdt->close_on_exec);
FD_SET            472 fs/file.c      	FD_SET(fd, fdt->open_fds);
FD_SET            474 fs/file.c      		FD_SET(fd, fdt->close_on_exec);
FD_SET            160 kernel/kmod.c  		FD_SET(0, fdt->open_fds);