diff --git a/io_uring/epoll.c b/io_uring/epoll.c
index acbb32498127..10853e8ed078 100644
--- a/io_uring/epoll.c
+++ b/io_uring/epoll.c
@@ -26,6 +26,10 @@ int io_epoll_ctl_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe)
 {
 	struct io_epoll *epoll = io_kiocb_to_cmd(req);
 
+	pr_warn_once("%s: epoll_ctl support in io_uring is deprecated and will "
+		     "be removed in a future Linux kernel version.\n",
+		     current->comm);
+
 	if (sqe->buf_index || sqe->splice_fd_in)
 		return -EINVAL;