linux-kernel - [PATCH RFC 13/25] net: Move net_inuse_ops to pernet

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Message-ID: <151094336333.20009.16031760823513598713.stgit@localhost.localdomain>
Date:   Fri, 17 Nov 2017 21:29:23 +0300
From:   Kirill Tkhai <ktkhai@...tuozzo.com>
To:     davem@...emloft.net, vyasevic@...hat.com,
        kstewart@...uxfoundation.org, pombredanne@...b.com,
        vyasevich@...il.com, mark.rutland@....com,
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        mschiffer@...verse-factory.net, rshearma@...cade.com,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        ktkhai@...tuozzo.com, ebiederm@...ssion.com, avagin@...tuozzo.com,
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Subject: [PATCH RFC 13/25] net: Move net_inuse_ops to pernet_sys list

net/core/sock.o is the first linked file in net/core/Makefile,
so its core initcall executes the first in the directory.

net_inuse_ops methods expose statistics in /proc.
No one from the rest of pernet_subsys or pernet_device lists
does not touch net::core::inuse. So, it's safe to move
net_inuse_ops to pernet_sys list.

Signed-off-by: Kirill Tkhai <ktkhai@...tuozzo.com>
---
 net/core/sock.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/core/sock.c b/net/core/sock.c
index 13719af7b4e3..be050b044699 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -3081,7 +3081,7 @@ static struct pernet_operations net_inuse_ops = {
 
 static __init int net_inuse_init(void)
 {
-	if (register_pernet_subsys(&net_inuse_ops))
+	if (register_pernet_sys(&net_inuse_ops))
 		panic("Cannot initialize net inuse counters");
 
 	return 0;