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sock: Hide unused variable when !CONFIG_PROC_FS.

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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>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tonghao Zhang 2017-12-14 05:51:59 -08:00 committed by David S. Miller
parent 648845ab7e
commit 398b841e4a
1 changed files with 1 additions and 1 deletions
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2
include/net/netns/core.h
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@ -13,8 +13,8 @@ struct netns_core {
#ifdef CONFIG_PROC_FS
int __percpu *sock_inuse;
#endif
struct prot_inuse __percpu *prot_inuse;
#endif
};
#endif