+static long compat_clock_nanosleep_restart(struct restart_block *restart)
+{
+ long err;
+ mm_segment_t oldfs;
+ struct timespec tu;
+ struct compat_timespec *rmtp = (struct compat_timespec *)(restart->arg1);
+
+ restart->arg1 = (unsigned long) &tu;
+ oldfs = get_fs();
+ set_fs(KERNEL_DS);
+ err = clock_nanosleep_restart(restart);
+ set_fs(oldfs);
+
+ if ((err == -ERESTART_RESTARTBLOCK) && rmtp &&
+ put_compat_timespec(&tu, rmtp))
+ return -EFAULT;
+
+ if (err == -ERESTART_RESTARTBLOCK) {
+ restart->fn = compat_clock_nanosleep_restart;
+ restart->arg1 = (unsigned long) rmtp;
+ }
+ return err;
+}
+