diff --git a/rust/helpers/fs.c b/rust/helpers/fs.c
index bd80706bcb67..e1709455fb26 100644
--- a/rust/helpers/fs.c
+++ b/rust/helpers/fs.c
@@ -6,7 +6,7 @@
 
 #include <linux/fs.h>
 
-struct file *rust_helper_get_file(struct file *f)
+__rust_helper struct file *rust_helper_get_file(struct file *f)
 {
 	return get_file(f);
 }
diff --git a/rust/helpers/pid_namespace.c b/rust/helpers/pid_namespace.c
index f41482bdec9a..f46ab779b527 100644
--- a/rust/helpers/pid_namespace.c
+++ b/rust/helpers/pid_namespace.c
@@ -3,18 +3,20 @@
 #include <linux/pid_namespace.h>
 #include <linux/cleanup.h>
 
-struct pid_namespace *rust_helper_get_pid_ns(struct pid_namespace *ns)
+__rust_helper struct pid_namespace *
+rust_helper_get_pid_ns(struct pid_namespace *ns)
 {
 	return get_pid_ns(ns);
 }
 
-void rust_helper_put_pid_ns(struct pid_namespace *ns)
+__rust_helper void rust_helper_put_pid_ns(struct pid_namespace *ns)
 {
 	put_pid_ns(ns);
 }
 
 /* Get a reference on a task's pid namespace. */
-struct pid_namespace *rust_helper_task_get_pid_ns(struct task_struct *task)
+__rust_helper struct pid_namespace *
+rust_helper_task_get_pid_ns(struct task_struct *task)
 {
 	struct pid_namespace *pid_ns;
 
diff --git a/rust/helpers/poll.c b/rust/helpers/poll.c
index 7e5b1751c2d5..78b3839b50f0 100644
--- a/rust/helpers/poll.c
+++ b/rust/helpers/poll.c
@@ -3,8 +3,9 @@
 #include <linux/export.h>
 #include <linux/poll.h>
 
-void rust_helper_poll_wait(struct file *filp, wait_queue_head_t *wait_address,
-			   poll_table *p)
+__rust_helper void rust_helper_poll_wait(struct file *filp,
+					 wait_queue_head_t *wait_address,
+					 poll_table *p)
 {
 	poll_wait(filp, wait_address, p);
 }