diff --git a/include/linux/highmem.h b/include/linux/highmem.h
index 74152c0..caafd05 100644
--- a/include/linux/highmem.h
+++ b/include/linux/highmem.h
@@ -27,7 +27,7 @@
 
 #include <asm/kmap_types.h>
 
-#if defined(CONFIG_DEBUG_HIGHMEM) && defined(CONFIG_TRACE_IRQFLAGS_SUPPORT)
+#ifdef CONFIG_DEBUG_HIGHMEM
 
 void debug_kmap_atomic(enum km_type type);