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-rw-r--r--arch/s390/include/asm/sysinfo.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/s390/include/asm/sysinfo.h b/arch/s390/include/asm/sysinfo.h
index 12e5256adca3..04e6e9774708 100644
--- a/arch/s390/include/asm/sysinfo.h
+++ b/arch/s390/include/asm/sysinfo.h
@@ -118,6 +118,8 @@ struct sysinfo_3_2_2 {
char reserved_544[3552];
};
+extern int topology_max_mnest;
+
#define TOPOLOGY_CPU_BITS 64
#define TOPOLOGY_NR_MAG 6
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