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Date: Thu, 14 Dec 2017 05:51:59 -0800 From: Tonghao Zhang <xiangxia.m.yue@...il.com> To: xiyou.wangcong@...il.com, davem@...emloft.net Cc: netdev@...r.kernel.org, Tonghao Zhang <xiangxia.m.yue@...il.com>, Pavel Emelyanov <xemul@...nvz.org> Subject: [PATCH v7 3/3] sock: Hide unused variable when !CONFIG_PROC_FS. 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@...nvz.org> Signed-off-by: Martin Zhang <zhangjunweimartin@...ichuxing.com> Signed-off-by: Tonghao Zhang <zhangtonghao@...ichuxing.com> --- include/net/netns/core.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) 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 -- 1.8.3.1
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