From 434c3d47830ddc69ec65c233ed142bbf21019519 Mon Sep 17 00:00:00 2001
From: Gleb Smirnoff <glebius@FreeBSD.org>
Date: Thu, 5 Sep 2013 13:46:30 +0000
Subject: [PATCH] Fix build. counter.h requires systm.h

---
 sys/sys/sf_buf.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sys/sys/sf_buf.h b/sys/sys/sf_buf.h
index 4c37e00caf2..61643b0a02b 100644
--- a/sys/sys/sf_buf.h
+++ b/sys/sys/sf_buf.h
@@ -54,6 +54,7 @@ struct sfstat {				/* sendfile statistics */
 
 #ifdef _KERNEL
 #include <machine/sf_buf.h>
+#include <sys/systm.h>
 #include <sys/counter.h>
 struct mbuf;	/* for sf_buf_mext() */
 
-- 
2.45.2