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authorIngo Molnar <mingo@elte.hu>2008-07-18 19:53:16 +0200
committerIngo Molnar <mingo@elte.hu>2008-07-18 19:53:16 +0200
commit9b610fda0df5d0f0b0c64242e37441ad1b384aac (patch)
tree0ea14b15f2e6546f37fe18d8ac3dc83077ec0e55 /include/net/net_namespace.h
parentnohz: prevent tick stop outside of the idle loop (diff)
parentMerge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2 (diff)
downloadlinux-dev-9b610fda0df5d0f0b0c64242e37441ad1b384aac.tar.xz
linux-dev-9b610fda0df5d0f0b0c64242e37441ad1b384aac.zip
Merge branch 'linus' into timers/nohz
Diffstat (limited to 'include/net/net_namespace.h')
-rw-r--r--include/net/net_namespace.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
index aa540e6be502..d9dd0f707296 100644
--- a/include/net/net_namespace.h
+++ b/include/net/net_namespace.h
@@ -95,6 +95,11 @@ extern struct list_head net_namespace_list;
#ifdef CONFIG_NET_NS
extern void __put_net(struct net *net);
+static inline int net_alive(struct net *net)
+{
+ return net && atomic_read(&net->count);
+}
+
static inline struct net *get_net(struct net *net)
{
atomic_inc(&net->count);
@@ -125,6 +130,12 @@ int net_eq(const struct net *net1, const struct net *net2)
return net1 == net2;
}
#else
+
+static inline int net_alive(struct net *net)
+{
+ return 1;
+}
+
static inline struct net *get_net(struct net *net)
{
return net;