+
+#if defined(_KERNEL) && defined(HAVE_SPL)
+module_param(zfs_no_write_throttle, int, 0644);
+MODULE_PARM_DESC(zfs_no_write_throttle, "Disable write throttling");
+
+module_param(zfs_write_limit_shift, int, 0444);
+MODULE_PARM_DESC(zfs_write_limit_shift, "log2(fraction of memory) per txg");
+
+module_param(zfs_txg_synctime_ms, int, 0644);
+MODULE_PARM_DESC(zfs_txg_synctime_ms, "Target milliseconds between txg sync");
+
+module_param(zfs_write_limit_min, ulong, 0444);
+MODULE_PARM_DESC(zfs_write_limit_min, "Min txg write limit");
+
+module_param(zfs_write_limit_max, ulong, 0444);
+MODULE_PARM_DESC(zfs_write_limit_max, "Max txg write limit");
+
+module_param(zfs_write_limit_inflated, ulong, 0444);
+MODULE_PARM_DESC(zfs_write_limit_inflated, "Inflated txg write limit");
+
+module_param(zfs_write_limit_override, ulong, 0444);
+MODULE_PARM_DESC(zfs_write_limit_override, "Override txg write limit");
+#endif