diff --git a/arch/x86/include/asm/trace/mpx.h b/arch/x86/include/asm/trace/mpx.h
index ae1ee73..dcc24f5 100644
--- a/arch/x86/include/asm/trace/mpx.h
+++ b/arch/x86/include/asm/trace/mpx.h
@@ -84,6 +84,28 @@
 	)
 );
 
+TRACE_EVENT(mpx_unmap_search,
+
+	TP_PROTO(unsigned long start,
+		 unsigned long end),
+	TP_ARGS(start, end),
+
+	TP_STRUCT__entry(
+		__field(unsigned long, start)
+		__field(unsigned long, end)
+	),
+
+	TP_fast_assign(
+		__entry->start = start;
+		__entry->end   = end;
+	),
+
+	TP_printk("0x%llx -> 0x%llx",
+		(u64)__entry->start,
+		(u64)__entry->end
+	)
+);
+
 #endif /* CONFIG_X86_INTEL_MPX */
 
 #undef TRACE_INCLUDE_PATH
diff --git a/arch/x86/mm/mpx.c b/arch/x86/mm/mpx.c
index e14257b..3b0b5e6 100644
--- a/arch/x86/mm/mpx.c
+++ b/arch/x86/mm/mpx.c
@@ -1004,6 +1004,7 @@
 	long __user *bd_entry, *bde_start, *bde_end;
 	unsigned long bt_addr;
 
+	trace_mpx_unmap_search(start, end);
 	/*
 	 * "Edge" bounds tables are those which are being used by the region
 	 * (start -> end), but that may be shared with adjacent areas.  If they