diff --git a/fs/nfsd/export.c b/fs/nfsd/export.c
index 9a11aa3..057aff7 100644
--- a/fs/nfsd/export.c
+++ b/fs/nfsd/export.c
@@ -26,6 +26,7 @@
 #include <linux/namei.h>
 #include <linux/mount.h>
 #include <linux/hash.h>
+#include <linux/module.h>
 
 #include <linux/sunrpc/svc.h>
 #include <linux/nfsd/nfsd.h>
@@ -221,6 +222,7 @@
 }
 	
 struct cache_detail svc_expkey_cache = {
+	.owner		= THIS_MODULE,
 	.hash_size	= EXPKEY_HASHMAX,
 	.hash_table	= expkey_table,
 	.name		= "nfsd.fh",
@@ -456,6 +458,7 @@
 	return 0;
 }
 struct cache_detail svc_export_cache = {
+	.owner		= THIS_MODULE,
 	.hash_size	= EXPORT_HASHMAX,
 	.hash_table	= export_table,
 	.name		= "nfsd.export",
diff --git a/fs/nfsd/nfs4idmap.c b/fs/nfsd/nfs4idmap.c
index 5605a26..1336965 100644
--- a/fs/nfsd/nfs4idmap.c
+++ b/fs/nfsd/nfs4idmap.c
@@ -187,6 +187,7 @@
 static struct ent *idtoname_lookup(struct ent *, int);
 
 static struct cache_detail idtoname_cache = {
+	.owner		= THIS_MODULE,
 	.hash_size	= ENT_HASHMAX,
 	.hash_table	= idtoname_table,
 	.name		= "nfs4.idtoname",
@@ -320,6 +321,7 @@
 static int         nametoid_parse(struct cache_detail *, char *, int);
 
 static struct cache_detail nametoid_cache = {
+	.owner		= THIS_MODULE,
 	.hash_size	= ENT_HASHMAX,
 	.hash_table	= nametoid_table,
 	.name		= "nfs4.nametoid",
@@ -404,8 +406,10 @@
 void
 nfsd_idmap_shutdown(void)
 {
-	cache_unregister(&idtoname_cache);
-	cache_unregister(&nametoid_cache);
+	if (cache_unregister(&idtoname_cache))
+		printk(KERN_ERR "nfsd: failed to unregister idtoname cache\n");
+	if (cache_unregister(&nametoid_cache))
+		printk(KERN_ERR "nfsd: failed to unregister nametoid cache\n");
 }
 
 /*
diff --git a/include/linux/sunrpc/cache.h b/include/linux/sunrpc/cache.h
index 6864063..c4e3ea7 100644
--- a/include/linux/sunrpc/cache.h
+++ b/include/linux/sunrpc/cache.h
@@ -60,6 +60,7 @@
 #define	CACHE_NEW_EXPIRY 120	/* keep new things pending confirmation for 120 seconds */
 
 struct cache_detail {
+	struct module *		owner;
 	int			hash_size;
 	struct cache_head **	hash_table;
 	rwlock_t		hash_lock;
diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c
index 5c8fe3b..e330819 100644
--- a/net/sunrpc/auth_gss/svcauth_gss.c
+++ b/net/sunrpc/auth_gss/svcauth_gss.c
@@ -250,6 +250,7 @@
 }
 
 static struct cache_detail rsi_cache = {
+	.owner		= THIS_MODULE,
 	.hash_size	= RSI_HASHMAX,
 	.hash_table     = rsi_table,
 	.name           = "auth.rpcsec.init",
@@ -436,6 +437,7 @@
 }
 
 static struct cache_detail rsc_cache = {
+	.owner		= THIS_MODULE,
 	.hash_size	= RSC_HASHMAX,
 	.hash_table	= rsc_table,
 	.name		= "auth.rpcsec.context",
@@ -1074,7 +1076,9 @@
 void
 gss_svc_shutdown(void)
 {
-	cache_unregister(&rsc_cache);
-	cache_unregister(&rsi_cache);
+	if (cache_unregister(&rsc_cache))
+		printk(KERN_ERR "auth_rpcgss: failed to unregister rsc cache\n");
+	if (cache_unregister(&rsi_cache))
+		printk(KERN_ERR "auth_rpcgss: failed to unregister rsi cache\n");
 	svc_auth_unregister(RPC_AUTH_GSS);
 }
diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c
index 900f5bc..f509e99 100644
--- a/net/sunrpc/cache.c
+++ b/net/sunrpc/cache.c
@@ -177,7 +177,7 @@
 	cd->proc_ent = proc_mkdir(cd->name, proc_net_rpc);
 	if (cd->proc_ent) {
 		struct proc_dir_entry *p;
-		cd->proc_ent->owner = THIS_MODULE;
+		cd->proc_ent->owner = cd->owner;
 		cd->channel_ent = cd->content_ent = NULL;
 		
  		p = create_proc_entry("flush", S_IFREG|S_IRUSR|S_IWUSR,
@@ -185,7 +185,7 @@
 		cd->flush_ent =  p;
  		if (p) {
  			p->proc_fops = &cache_flush_operations;
- 			p->owner = THIS_MODULE;
+ 			p->owner = cd->owner;
  			p->data = cd;
  		}
  
@@ -195,7 +195,7 @@
 			cd->channel_ent = p;
 			if (p) {
 				p->proc_fops = &cache_file_operations;
-				p->owner = THIS_MODULE;
+				p->owner = cd->owner;
 				p->data = cd;
 			}
 		}
@@ -205,7 +205,7 @@
 			cd->content_ent = p;
  			if (p) {
  				p->proc_fops = &content_file_operations;
- 				p->owner = THIS_MODULE;
+ 				p->owner = cd->owner;
  				p->data = cd;
  			}
  		}
diff --git a/net/sunrpc/sunrpc_syms.c b/net/sunrpc/sunrpc_syms.c
index 62a0734..ed48ff0 100644
--- a/net/sunrpc/sunrpc_syms.c
+++ b/net/sunrpc/sunrpc_syms.c
@@ -176,8 +176,10 @@
 {
 	unregister_rpc_pipefs();
 	rpc_destroy_mempool();
-	cache_unregister(&auth_domain_cache);
-	cache_unregister(&ip_map_cache);
+	if (cache_unregister(&auth_domain_cache))
+		printk(KERN_ERR "sunrpc: failed to unregister auth_domain cache\n");
+	if (cache_unregister(&ip_map_cache))
+		printk(KERN_ERR "sunrpc: failed to unregister ip_map cache\n");
 #ifdef RPC_DEBUG
 	rpc_unregister_sysctl();
 #endif
diff --git a/net/sunrpc/svcauth.c b/net/sunrpc/svcauth.c
index bde8147..dda4f0c 100644
--- a/net/sunrpc/svcauth.c
+++ b/net/sunrpc/svcauth.c
@@ -143,6 +143,7 @@
 
 
 struct cache_detail auth_domain_cache = {
+	.owner		= THIS_MODULE,
 	.hash_size	= DN_HASHMAX,
 	.hash_table	= auth_domain_table,
 	.name		= "auth.domain",
diff --git a/net/sunrpc/svcauth_unix.c b/net/sunrpc/svcauth_unix.c
index d6baf6f..cac2e77 100644
--- a/net/sunrpc/svcauth_unix.c
+++ b/net/sunrpc/svcauth_unix.c
@@ -242,6 +242,7 @@
 	
 
 struct cache_detail ip_map_cache = {
+	.owner		= THIS_MODULE,
 	.hash_size	= IP_HASHMAX,
 	.hash_table	= ip_table,
 	.name		= "auth.unix.ip",