net: Kill ratelimit.h dependency in linux/net.h

Ingo Molnar noticed that we have this unnecessary ratelimit.h
dependency in linux/net.h, which hid compilation problems from
people doing builds only with CONFIG_NET enabled.

Move this stuff out to a seperate net/net_ratelimit.h file and
include that in the only two places where this thing is needed.

Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Ingo Molnar <mingo@elte.hu>

4 files changed, 10 insertions, 6 deletions

diff --git a/include/linux/net.h b/include/linux/net.h
index 1da55e9b6f01..b29923006b11 100644
--- a/include/linux/net.h
+++ b/include/linux/net.h
@@ -289,11 +289,5 @@ extern int kernel_sock_shutdown(struct socket *sock,
         MODULE_ALIAS("net-pf-" __stringify(pf) "-proto-" __stringify(proto) \
                      "-type-" __stringify(type))
 
-#ifdef CONFIG_SYSCTL
-#include <linux/sysctl.h>
-#include <linux/ratelimit.h>
-extern struct ratelimit_state net_ratelimit_state;
-#endif
-
 #endif /* __KERNEL__ */
 #endif  /* _LINUX_NET_H */
diff --git a/include/net/net_ratelimit.h b/include/net/net_ratelimit.h
new file mode 100644
index 000000000000..7727b4247daf
--- /dev/null
+++ b/include/net/net_ratelimit.h
@@ -0,0 +1,8 @@
+#ifndef _LINUX_NET_RATELIMIT_H
+#define _LINUX_NET_RATELIMIT_H
+
+#include <linux/ratelimit.h>
+
+extern struct ratelimit_state net_ratelimit_state;
+
+#endif  /* _LINUX_NET_RATELIMIT_H */
diff --git a/net/core/sysctl_net_core.c b/net/core/sysctl_net_core.c
index a829e3f60aeb..77a65f031488 100644
--- a/net/core/sysctl_net_core.c
+++ b/net/core/sysctl_net_core.c
@@ -17,6 +17,7 @@
 
 #include <net/ip.h>
 #include <net/sock.h>
+#include <net/net_ratelimit.h>
 
 #ifdef CONFIG_RPS
 static int rps_sock_flow_sysctl(ctl_table *table, int write,
diff --git a/net/core/utils.c b/net/core/utils.c
index 2012bc797f9c..386e263f6066 100644
--- a/net/core/utils.c
+++ b/net/core/utils.c
@@ -27,6 +27,7 @@
 #include <linux/ratelimit.h>
 
 #include <net/sock.h>
+#include <net/net_ratelimit.h>
 
 #include <asm/byteorder.h>
 #include <asm/system.h>