s390/kasan: make kasan header self-contained

It is relying on _REGION1_SHIFT / _REGION2_SHIFT values which come from
asm/pgtable.h, so include it.

Reviewed-by: Alexander Egorenkov <egorenar@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>

diff --git a/arch/s390/include/asm/kasan.h b/arch/s390/include/asm/kasan.h
index 0313f055f8c9507b38c32a0d4ba570e88191c9cd..eea62586e71965a6faf2e9d5478a685afcbde8fa 100644 (file)
--- a/arch/s390/include/asm/kasan.h
+++ b/arch/s390/include/asm/kasan.h
@@ -2,6 +2,8 @@
 #ifndef __ASM_KASAN_H
 #define __ASM_KASAN_H
 
+#include <asm/pgtable.h>
+
 #ifdef CONFIG_KASAN
 
 #define KASAN_SHADOW_SCALE_SHIFT 3