diff --git a/kernel-src/include/bitmap.h b/kernel-src/include/bitmap.h
index e431325c..faa9bf84 100644
--- a/kernel-src/include/bitmap.h
+++ b/kernel-src/include/bitmap.h
@@ -3,6 +3,7 @@
 
 #include <stdbool.h>
 #include <stddef.h>
+#include <util.h>
 
 typedef struct {
 	long *data;
@@ -16,4 +17,11 @@ void bitmap_set_range(bitmap_t *bitmap, long start, long count, int v);
 bool bitmap_get(bitmap_t *bitmap, long idx);
 long bitmap_find_first_set(bitmap_t *bitmap);
 
+#define BITMAP_DEFINE_STATIC(name, s) \
+	static long entries_bm_##name[ROUND_UP(s, sizeof(long)) / sizeof(long)]; \
+	static bitmap_t name = { \
+		.size = s, \
+		.data = entries_bm_##name \
+	}
+
 #endif