diff -ruN openswan-2.4.5-old/linux/net/ipsec/aes/ipsec_alg_aes.c openswan-2.4.5-new/linux/net/ipsec/aes/ipsec_alg_aes.c
--- openswan-2.4.5-old/linux/net/ipsec/aes/ipsec_alg_aes.c	2005-05-20 18:48:55.000000000 +0200
+++ openswan-2.4.5-new/linux/net/ipsec/aes/ipsec_alg_aes.c	2006-06-20 00:17:57.000000000 +0200
@@ -59,12 +59,20 @@
 static int keymaxbits=0;
 #if defined(CONFIG_KLIPS_ENC_AES_MODULE)
 MODULE_AUTHOR("JuanJo Ciarlante <jjo-ipsec@mendoza.gov.ar>");
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,52)
+module_param(debug_aes, int, 0);
+module_param(test_aes, int, 0);
+module_param(excl_aes, int, 0);
+module_param(keyminbits, int, 0);
+module_param(keymaxbits, int, 0);
+#else
 MODULE_PARM(debug_aes, "i");
 MODULE_PARM(test_aes, "i");
 MODULE_PARM(excl_aes, "i");
 MODULE_PARM(keyminbits, "i");
 MODULE_PARM(keymaxbits, "i");
 #endif
+#endif
 
 #if CONFIG_KLIPS_ENC_AES_MAC
 #include "crypto/aes_xcbc_mac.h"
@@ -79,8 +87,12 @@
 #else
 static int auth_id=9;
 #endif
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,52)
+module_param(auth_id, int, 0);
+#else
 MODULE_PARM(auth_id, "i");
 #endif
+#endif
 
 #define ESP_AES			12	/* truely _constant_  :)  */