atomic: use <linux/atomic.h>

This allows us to move duplicated code in <asm/atomic.h>
(atomic_inc_not_zero() for now) to <linux/atomic.h>

Signed-off-by: Arun Sharma <[email protected]>
Reviewed-by: Eric Dumazet <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: David Miller <[email protected]>
Cc: Eric Dumazet <[email protected]>
Acked-by: Mike Frysinger <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
index 1ab1aec..3bb6fa0 100644
--- a/include/net/net_namespace.h
+++ b/include/net/net_namespace.h
@@ -4,7 +4,7 @@
 #ifndef __NET_NET_NAMESPACE_H
 #define __NET_NET_NAMESPACE_H
 
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 #include <linux/workqueue.h>
 #include <linux/list.h>
 #include <linux/sysctl.h>