Index: kernel/generic/include/lib/ra.h
===================================================================
--- kernel/generic/include/lib/ra.h	(revision 1295a1da3e76dbd378b542634f4fd849fc544070)
+++ kernel/generic/include/lib/ra.h	(revision 68f46712429fd2645b41fba94e5e2913e9ec3be0)
@@ -80,5 +80,5 @@
 extern ra_arena_t *ra_arena_create(void);
 extern bool ra_span_add(ra_arena_t *, uintptr_t, size_t);
-extern uintptr_t ra_alloc(ra_arena_t *, size_t, size_t);
+extern bool ra_alloc(ra_arena_t *, size_t, size_t, uintptr_t *);
 extern void ra_free(ra_arena_t *, uintptr_t, size_t);