From 78609132795b4e3d6d51c6b67d461bf1626afb2f Mon Sep 17 00:00:00 2001
From: Heiko Carstens <heiko.carstens@de.ibm.com>
Date: Mon, 3 Sep 2012 14:11:32 +0200
Subject: [PATCH] s390/topology: remove sysinfo header include, add forward
 declaration instead

Any change to sysinfo.h causes a whole kernel recompile since sysinfo.h is
included by topology.h, which again is used nearly everywhere.
So remove that include and add a forward declaration instead.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---
 arch/s390/include/asm/topology.h | 2 +-
 arch/s390/kernel/topology.c      | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/s390/include/asm/topology.h b/arch/s390/include/asm/topology.h
index 0837de80c351..1e6c446e67e1 100644
--- a/arch/s390/include/asm/topology.h
+++ b/arch/s390/include/asm/topology.h
@@ -2,8 +2,8 @@
 #define _ASM_S390_TOPOLOGY_H
 
 #include <linux/cpumask.h>
-#include <asm/sysinfo.h>
 
+struct sysinfo_15_1_x;
 struct cpu;
 
 #ifdef CONFIG_SCHED_BOOK
diff --git a/arch/s390/kernel/topology.c b/arch/s390/kernel/topology.c
index 05151e06c388..fc957f2eef7c 100644
--- a/arch/s390/kernel/topology.c
+++ b/arch/s390/kernel/topology.c
@@ -17,6 +17,7 @@
 #include <linux/cpu.h>
 #include <linux/smp.h>
 #include <linux/mm.h>
+#include <asm/sysinfo.h>
 
 #define PTF_HORIZONTAL	(0UL)
 #define PTF_VERTICAL	(1UL)
-- 
2.39.5