Index: uspace/lib/c/include/as.h
===================================================================
--- uspace/lib/c/include/as.h	(revision 47fecbb0a9198c8184b7b6a37a96d9e4fe7bf351)
+++ uspace/lib/c/include/as.h	(revision 9c10e51ef6bb1552d7ad13f10ef3c68db454ffbc)
@@ -60,5 +60,5 @@
 extern void *set_maxheapsize(size_t);
 extern void *as_get_mappable_page(size_t);
-extern int as_get_physical_mapping(void *, uintptr_t *);
+extern int as_get_physical_mapping(const void *, uintptr_t *);
 
 #endif