diff --git a/arch/arm/xen/p2m.c b/arch/arm/xen/p2m.c
index 0ed01f2..11e7843 100644
--- a/arch/arm/xen/p2m.c
+++ b/arch/arm/xen/p2m.c
@@ -144,7 +144,7 @@
 		return true;
 	}
 
-	p2m_entry = kzalloc(sizeof(struct xen_p2m_entry), GFP_NOWAIT);
+	p2m_entry = kzalloc(sizeof(*p2m_entry), GFP_NOWAIT);
 	if (!p2m_entry) {
 		pr_warn("cannot allocate xen_p2m_entry\n");
 		return false;