diff --git a/include/asm-s390/smp.h b/include/asm-s390/smp.h
index b957e4c..676e94e 100644
--- a/include/asm-s390/smp.h
+++ b/include/asm-s390/smp.h
@@ -119,4 +119,5 @@
 #define smp_setup_cpu_possible_map()	do { } while (0)
 #endif
 
+extern union save_area *zfcpdump_save_areas[NR_CPUS + 1];
 #endif