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Commit d57a9212 authored by Pavel Emelyanov's avatar Pavel Emelyanov Committed by David S. Miller
Browse files

[NET]: Hide the net_ns kmem cache 



This cache is only required to create new namespaces,
but we won't have them in CONFIG_NET_NS=n case.

Hide it under the appropriate ifdef.

Signed-off-by: default avatarPavel Emelyanov <xemul@openvz.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 1a2ee93d

net/core/net_namespace.c

+4 −2
Original line number Diff line number Diff line
@@ -17,8 +17,6 @@ static DEFINE_MUTEX(net_mutex); 


LIST_HEAD(net_namespace_list);



static struct kmem_cache *net_cachep;



struct net init_net;

EXPORT_SYMBOL_GPL(init_net);
@@ -59,6 +57,8 @@ static __net_init int setup_net(struct net *net) 
}



#ifdef CONFIG_NET_NS

static struct kmem_cache *net_cachep;



static struct net *net_alloc(void)

{

	return kmem_cache_zalloc(net_cachep, GFP_KERNEL);
@@ -167,9 +167,11 @@ static int __init net_ns_init(void) 
	int err;



	printk(KERN_INFO "net_namespace: %zd bytes\n", sizeof(struct net));

#ifdef CONFIG_NET_NS

	net_cachep = kmem_cache_create("net_namespace", sizeof(struct net),

					SMP_CACHE_BYTES,

					SLAB_PANIC, NULL);

#endif

	mutex_lock(&net_mutex);

	err = setup_net(&init_net);