static void mark_glyph_matrix (struct glyph_matrix *);
static void mark_face_cache (struct face_cache *);
+#if !defined REL_ALLOC || defined SYSTEM_MALLOC
+static void refill_memory_reserve (void);
+#endif
static struct Lisp_String *allocate_string (void);
static void compact_small_strings (void);
static void free_large_strings (void);