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tcp_memcontrol: Forward declare cgroup_subsys and mem_cgroup stucts

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In file included from net/ipv4/tcp_ipv4.c:77 (and many more):
include/net/tcp_memcontrol.h:5: warning: ‘struct cgroup_subsys’ declared inside parameter list
include/net/tcp_memcontrol.h:5: warning: its scope is only this definition or declaration, which is probably not what you want

Add forward declarations for all used structures to fix this.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Geert Uytterhoeven 2016-01-17 11:30:37 +01:00 committed by David S. Miller
parent 78c5b2c667
commit cdb00777ff
1 changed files with 3 additions and 0 deletions
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3
include/net/tcp_memcontrol.h
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@ -1,6 +1,9 @@
#ifndef _TCP_MEMCG_H
#define _TCP_MEMCG_H
struct cgroup_subsys;
struct mem_cgroup;
int tcp_init_cgroup(struct mem_cgroup *memcg, struct cgroup_subsys *ss);
void tcp_destroy_cgroup(struct mem_cgroup *memcg);
#endif /* _TCP_MEMCG_H */