diff --git a/[refs] b/[refs]
index beedca8b6227..5856f069ccd0 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d7b7cdea06360d3151cc8118751b3b82519c4ce0
+refs/heads/master: a9fbf1a53836d4105f95df947ac00e22311dff33
diff --git a/trunk/arch/s390/kernel/machine_kexec.c b/trunk/arch/s390/kernel/machine_kexec.c
index bdad47d54478..03d2027d656a 100644
--- a/trunk/arch/s390/kernel/machine_kexec.c
+++ b/trunk/arch/s390/kernel/machine_kexec.c
@@ -24,6 +24,7 @@
 #include <asm/ipl.h>
 #include <asm/diag.h>
 #include <asm/asm-offsets.h>
+#include <asm/os_info.h>
 
 typedef void (*relocate_kernel_t)(kimage_entry_t *, unsigned long);
 
@@ -114,8 +115,13 @@ static void crash_map_pages(int enable)
 	       size % KEXEC_CRASH_MEM_ALIGN);
 	if (enable)
 		vmem_add_mapping(crashk_res.start, size);
-	else
+	else {
 		vmem_remove_mapping(crashk_res.start, size);
+		if (size)
+			os_info_crashkernel_add(crashk_res.start, size);
+		else
+			os_info_crashkernel_add(0, 0);
+	}
 }
 
 /*