diff --git a/net/ipv4/fib_hash.c b/net/ipv4/fib_hash.c
index 499522f..a15b2f1 100644
--- a/net/ipv4/fib_hash.c
+++ b/net/ipv4/fib_hash.c
@@ -52,6 +52,7 @@
 	struct hlist_node	fn_hash;
 	struct list_head	fn_alias;
 	__be32			fn_key;
+	struct fib_alias        fn_embedded_alias;
 };
 
 struct fn_zone {
@@ -193,10 +194,13 @@
 	kmem_cache_free(fn_hash_kmem, f);
 }
 
-static inline void fn_free_alias(struct fib_alias *fa)
+static inline void fn_free_alias(struct fib_alias *fa, struct fib_node *f)
 {
 	fib_release_info(fa->fa_info);
-	kmem_cache_free(fn_alias_kmem, fa);
+	if (fa == &f->fn_embedded_alias)
+		fa->fa_info = NULL;
+	else
+		kmem_cache_free(fn_alias_kmem, fa);
 }
 
 static struct fn_zone *
@@ -476,15 +480,12 @@
 		goto out;
 
 	err = -ENOBUFS;
-	new_fa = kmem_cache_alloc(fn_alias_kmem, GFP_KERNEL);
-	if (new_fa == NULL)
-		goto out;
 
 	new_f = NULL;
 	if (!f) {
-		new_f = kmem_cache_alloc(fn_hash_kmem, GFP_KERNEL);
+		new_f = kmem_cache_zalloc(fn_hash_kmem, GFP_KERNEL);
 		if (new_f == NULL)
-			goto out_free_new_fa;
+			goto out;
 
 		INIT_HLIST_NODE(&new_f->fn_hash);
 		INIT_LIST_HEAD(&new_f->fn_alias);
@@ -492,6 +493,12 @@
 		f = new_f;
 	}
 
+	new_fa = &f->fn_embedded_alias;
+	if (new_fa->fa_info != NULL) {
+		new_fa = kmem_cache_alloc(fn_alias_kmem, GFP_KERNEL);
+		if (new_fa == NULL)
+			goto out_free_new_f;
+	}
 	new_fa->fa_info = fi;
 	new_fa->fa_tos = tos;
 	new_fa->fa_type = cfg->fc_type;
@@ -518,8 +525,8 @@
 		  &cfg->fc_nlinfo, 0);
 	return 0;
 
-out_free_new_fa:
-	kmem_cache_free(fn_alias_kmem, new_fa);
+out_free_new_f:
+	kmem_cache_free(fn_hash_kmem, new_f);
 out:
 	fib_release_info(fi);
 	return err;
@@ -595,7 +602,7 @@
 
 		if (fa->fa_state & FA_S_ACCESSED)
 			rt_cache_flush(-1);
-		fn_free_alias(fa);
+		fn_free_alias(fa, f);
 		if (kill_fn) {
 			fn_free_node(f);
 			fz->fz_nent--;
@@ -631,7 +638,7 @@
 				fib_hash_genid++;
 				write_unlock_bh(&fib_hash_lock);
 
-				fn_free_alias(fa);
+				fn_free_alias(fa, f);
 				found++;
 			}
 		}
@@ -750,10 +757,10 @@
 void __init fib_hash_init(void)
 {
 	fn_hash_kmem = kmem_cache_create("ip_fib_hash", sizeof(struct fib_node),
-					 0, SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL);
+					 0, SLAB_PANIC, NULL);
 
 	fn_alias_kmem = kmem_cache_create("ip_fib_alias", sizeof(struct fib_alias),
-					  0, SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL);
+					  0, SLAB_PANIC, NULL);
 
 }
 
diff --git a/net/ipv4/fib_lookup.h b/net/ipv4/fib_lookup.h
index 26ee66d..2c1623d 100644
--- a/net/ipv4/fib_lookup.h
+++ b/net/ipv4/fib_lookup.h
@@ -7,12 +7,14 @@
 
 struct fib_alias {
 	struct list_head	fa_list;
-	struct rcu_head rcu;
 	struct fib_info		*fa_info;
 	u8			fa_tos;
 	u8			fa_type;
 	u8			fa_scope;
 	u8			fa_state;
+#ifdef CONFIG_IP_FIB_TRIE
+	struct rcu_head		rcu;
+#endif
 };
 
 #define FA_S_ACCESSED	0x01