Index: kernel/generic/include/lib/ra.h
===================================================================
--- kernel/generic/include/lib/ra.h	(revision 6636fb199c2da579a541a22014f1a1e5321c2a68)
+++ kernel/generic/include/lib/ra.h	(revision 94868e16d54e746dbcba2bbfd0fa09835a5cf91c)
@@ -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);