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[v7,3/3] sock: Hide unused variable when !CONFIG_PROC_FS.

Message ID 1513259519-32332-3-git-send-email-xiangxia.m.yue@gmail.com
State Accepted, archived
Delegated to: David Miller
Headers show
Series [v7,1/3] sock: Change the netns_core member name. | expand

Commit Message

Tonghao Zhang Dec. 14, 2017, 1:51 p.m. UTC 
When CONFIG_PROC_FS is disabled, we will not use the prot_inuse
counter. This adds an #ifdef to hide the variable definition in
that case. This is not a bugfix. But we can save bytes when there
are many network namespace.

Cc: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: Martin Zhang <zhangjunweimartin@didichuxing.com>
Signed-off-by: Tonghao Zhang <zhangtonghao@didichuxing.com>
---
 include/net/netns/core.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/include/net/netns/core.h b/include/net/netns/core.h
index a5e8a66..36c2d99 100644
--- a/include/net/netns/core.h
+++ b/include/net/netns/core.h
@@ -13,8 +13,8 @@  struct netns_core {
 
 #ifdef CONFIG_PROC_FS
 	int __percpu *sock_inuse;
-#endif
 	struct prot_inuse __percpu *prot_inuse;
+#endif
 };
 
 #endif