134 	void *bb = NULL;  in bb_alloc()  local
138 		bb = maybe_tag_bb(uctx->bbuf + uctx->bbuf_offs, len);  in bb_alloc()
141 	return bb;  in bb_alloc()
144 static void bb_free_helper(struct user_mode_ctx *uctx, vaddr_t bb, size_t len)  in bb_free_helper()  argument
148 	if (bb >= bbuf && IS_ALIGNED(bb, BB_ALIGNMENT)) {  in bb_free_helper()
149 		size_t prev_offs = bb - bbuf;  in bb_free_helper()
155 		maybe_untag_bb((void *)bb, len);  in bb_free_helper()
162 void bb_free(void *bb, size_t len)  in bb_free()  argument
167 		bb_free_helper(uctx, memtag_strip_tag_vaddr(bb), len);  in bb_free()
170 void bb_free_wipe(void *bb, size_t len)  in bb_free_wipe()  argument
172 	if (bb)  in bb_free_wipe()
173 		memset(bb, 0, len);  in bb_free_wipe()
174 	bb_free(bb, len);  in bb_free_wipe()