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-rw-r--r--arch/x86/xen/setup.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
index af7216128d9..29834b3fd87 100644
--- a/arch/x86/xen/setup.c
+++ b/arch/x86/xen/setup.c
@@ -595,6 +595,7 @@ char * __init xen_memory_setup(void)
rc = 0;
}
BUG_ON(rc);
+ BUG_ON(memmap.nr_entries == 0);
/*
* Xen won't allow a 1:1 mapping to be created to UNUSABLE