CIFS: Move statfs to ops struct

[firefly-linux-kernel-4.4.55.git] / net / core / dst.c

diff --git a/net/core/dst.c b/net/core/dst.c
index 069d51d29414a3245f9b60b66c534f78ce3b1752..56d63612e1e4b9a1ebfc04ddfa1bcd50333e0118 100644 (file)
--- a/net/core/dst.c
+++ b/net/core/dst.c
@@ -149,7 +149,15 @@ int dst_discard(struct sk_buff *skb)
 }
 EXPORT_SYMBOL(dst_discard);
 
-const u32 dst_default_metrics[RTAX_MAX];
+const u32 dst_default_metrics[RTAX_MAX + 1] = {
+       /* This initializer is needed to force linker to place this variable
+        * into const section. Otherwise it might end into bss section.
+        * We really want to avoid false sharing on this variable, and catch
+        * any writes on it.
+        */
+       [RTAX_MAX] = 0xdeadbeef,
+};
+
 
 void *dst_alloc(struct dst_ops *ops, struct net_device *dev,
                int initial_ref, int initial_obsolete, unsigned short flags)