From: Eric Dumazet <eric.dumazet@gmail.com>
To: christoph.paasch@uclouvain.be
Cc: David Miller <davem@davemloft.net>,
glommer@parallels.com, linux-kernel@vger.kernel.org,
paul@paulmenage.org, lizf@cn.fujitsu.com,
kamezawa.hiroyu@jp.fujitsu.com, ebiederm@xmission.com,
gthelen@google.com, netdev@vger.kernel.org, linux-mm@kvack.org,
kirill@shutemov.name, avagin@parallels.com, devel@openvz.org,
cgroups@vger.kernel.org
Subject: Re: [PATCH v9 0/9] Request for inclusion: per-cgroup tcp memory pressure controls
Date: Tue, 13 Dec 2011 14:59:08 +0100 [thread overview]
Message-ID: <1323784748.2950.4.camel@edumazet-laptop> (raw)
In-Reply-To: <4EE757D7.6060006@uclouvain.be>
Le mardi 13 dA(C)cembre 2011 A 14:49 +0100, Christoph Paasch a A(C)crit :
> now there are plenty of compiler-warnings when CONFIG_CGROUPS is not set:
>
> In file included from include/linux/tcp.h:211:0,
> from include/linux/ipv6.h:221,
> from include/net/ip_vs.h:23,
> from kernel/sysctl_binary.c:6:
> include/net/sock.h:67:57: warning: a??struct cgroup_subsysa?? declared
> inside parameter list [enabled by default]
> include/net/sock.h:67:57: warning: its scope is only this definition or
> declaration, which is probably not what you want [enabled by default]
> include/net/sock.h:67:57: warning: a??struct cgroupa?? declared inside
> parameter list [enabled by default]
> include/net/sock.h:68:61: warning: a??struct cgroup_subsysa?? declared
> inside parameter list [enabled by default]
> include/net/sock.h:68:61: warning: a??struct cgroupa?? declared inside
> parameter list [enabled by default]
>
>
> Because struct cgroup is only declared if CONFIG_CGROUPS is enabled.
> (cfr. linux/cgroup.h)
>
Yes, we probably need forward reference like this :
Thanks !
[PATCH net-next] net: fix build error if CONFIG_CGROUPS=n
Reported-by: Christoph Paasch <christoph.paasch@uclouvain.be>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
---
include/net/sock.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/include/net/sock.h b/include/net/sock.h
index 18ecc99..6fe0dae 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -64,6 +64,8 @@
#include <net/dst.h>
#include <net/checksum.h>
+struct cgroup;
+struct cgroup_subsys;
int mem_cgroup_sockets_init(struct cgroup *cgrp, struct cgroup_subsys *ss);
void mem_cgroup_sockets_destroy(struct cgroup *cgrp, struct cgroup_subsys *ss);
/*
--
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next prev parent reply other threads:[~2011-12-13 13:59 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-12 7:47 Glauber Costa
2011-12-12 7:47 ` [PATCH v9 1/9] Basic kernel memory functionality for the Memory Controller Glauber Costa
2011-12-14 17:04 ` Michal Hocko
2011-12-15 12:29 ` Glauber Costa
2011-12-16 12:32 ` Michal Hocko
2011-12-16 13:02 ` Glauber Costa
2011-12-16 13:30 ` Michal Hocko
2011-12-16 6:20 ` Greg Thelen
2011-12-12 7:47 ` [PATCH v9 2/9] foundations of per-cgroup memory pressure controlling Glauber Costa
2011-12-12 7:47 ` [PATCH v9 3/9] socket: initial cgroup code Glauber Costa
2011-12-22 21:10 ` Jason Baron
2011-12-23 8:57 ` Glauber Costa
2011-12-12 7:47 ` [PATCH v9 4/9] tcp memory pressure controls Glauber Costa
2011-12-12 7:47 ` [PATCH v9 5/9] per-netns ipv4 sysctl_tcp_mem Glauber Costa
2011-12-12 7:47 ` [PATCH v9 6/9] tcp buffer limitation: per-cgroup limit Glauber Costa
2011-12-12 7:47 ` [PATCH v9 7/9] Display current tcp memory allocation in kmem cgroup Glauber Costa
2011-12-12 7:47 ` [PATCH v9 8/9] Display current tcp failcnt " Glauber Costa
2011-12-12 7:47 ` [PATCH v9 9/9] Display maximum tcp memory allocation " Glauber Costa
2011-12-13 0:07 ` [PATCH v9 0/9] Request for inclusion: per-cgroup tcp memory pressure controls David Miller
2011-12-13 13:49 ` Christoph Paasch
2011-12-13 13:59 ` Eric Dumazet [this message]
2011-12-13 18:45 ` David Miller
2011-12-13 20:11 ` Glauber Costa
2011-12-15 5:40 ` KAMEZAWA Hiroyuki
2011-12-15 5:48 ` David Miller
2011-12-15 6:48 ` Glauber Costa
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