The auth_hashtable_size parameter shows up in /sys/module/sunrpc/parameters with mode 0644. However the hashtables are allocated when the module is loaded, and changing the parameter afterwards doesn't do much. So make it read-only. Signed-off-by: Miquel van Smoorenburg <mikevs@xxxxxxxxxx> diff -ruN linux-2.6.36-rc1.orig/net/sunrpc/auth.c linux-2.6.36-rc1/net/sunrpc/auth.c --- linux-2.6.36-rc1.orig/net/sunrpc/auth.c 2010-08-16 02:41:37.000000000 +0200 +++ linux-2.6.36-rc1/net/sunrpc/auth.c 2010-08-22 17:02:27.896009116 +0200 @@ -76,7 +77,7 @@ .get = param_get_hashtbl_sz, }; -module_param_named(auth_hashtable_size, auth_hashbits, hashtbl_sz, 0644); +module_param_named(auth_hashtable_size, auth_hashbits, hashtbl_sz, 0444); MODULE_PARM_DESC(auth_hashtable_size, "RPC credential cache hashtable size"); static u32 -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
