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-rw-r--r--arch/s390/kernel/topology.c1
1 files changed, 1 insertions, 0 deletions
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)