[patch 2/2] net, netns_xt: shrink netns_xt members

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To: <shemminger@...>, <kaber@...>, <bridge@...>, <netdev@...>
Cc: Cyrill Gorcunov <gorcunov@...>
Date: Saturday, July 4, 2009 - 2:11 am

In case if kernel was compiled without ebtables support
there is no need to keep ebt_table pointers in netns_xt
structure.

Make it config dependent.

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
---

Probably GCC will authomatically shrink the structure
if the members are not in use. Please review.

 include/net/netns/x_tables.h |    3 +++
 1 file changed, 3 insertions(+)

Index: linux-2.6.git/include/net/netns/x_tables.h
=====================================================================
--- linux-2.6.git.orig/include/net/netns/x_tables.h
+++ linux-2.6.git/include/net/netns/x_tables.h
@@ -8,8 +8,11 @@ struct ebt_table;
 
 struct netns_xt {
 	struct list_head tables[NFPROTO_NUMPROTO];
+#if defined(CONFIG_BRIDGE_NF_EBTABLES) || \
+    defined(CONFIG_BRIDGE_NF_EBTABLES_MODULE)
 	struct ebt_table *broute_table;
 	struct ebt_table *frame_filter;
 	struct ebt_table *frame_nat;
+#endif
 };
 #endif

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Messages in current thread:
[patch 2/2] net, netns_xt: shrink netns_xt members, Cyrill Gorcunov, (Sat Jul 4, 2:11 am)
Re: [patch 2/2] net, netns_xt: shrink netns_xt members, Stephen Hemminger, (Thu Jul 9, 3:55 pm)