diff --git a/sys/compat/linuxkpi/common/include/linux/fs.h b/sys/compat/linuxkpi/common/include/linux/fs.h
--- a/sys/compat/linuxkpi/common/include/linux/fs.h
+++ b/sys/compat/linuxkpi/common/include/linux/fs.h
@@ -43,6 +43,7 @@
 #include <linux/capability.h>
 #include <linux/wait_bit.h>
 #include <linux/kernel.h>
+#include <linux/mount.h>
 #include <linux/mutex.h>
 
 struct module;
diff --git a/sys/compat/linuxkpi/common/include/linux/mount.h b/sys/compat/linuxkpi/common/include/linux/mount.h
new file mode 100644
--- /dev/null
+++ b/sys/compat/linuxkpi/common/include/linux/mount.h
@@ -0,0 +1,14 @@
+/*
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2026 The FreeBSD Foundation
+ * Copyright (c) 2026 Jean-Sébastien Pédron <dumbbell@FreeBSD.org>
+ */
+
+#ifndef _LINUXKPI_LINUX_MOUNT_H_
+#define	_LINUXKPI_LINUX_MOUNT_H_
+
+struct vfsmount {
+};
+
+#endif
diff --git a/sys/compat/linuxkpi/common/include/linux/shmem_fs.h b/sys/compat/linuxkpi/common/include/linux/shmem_fs.h
--- a/sys/compat/linuxkpi/common/include/linux/shmem_fs.h
+++ b/sys/compat/linuxkpi/common/include/linux/shmem_fs.h
@@ -39,6 +39,8 @@
     gfp_t gfp);
 struct linux_file *linux_shmem_file_setup(const char *name, loff_t size,
     unsigned long flags);
+struct linux_file *linux_shmem_file_setup_with_mnt(struct vfsmount *mount,
+    const char *name, loff_t size, unsigned long flags);
 void linux_shmem_truncate_range(vm_object_t obj, loff_t lstart,
     loff_t lend);
 
@@ -51,6 +53,9 @@
 #define	shmem_file_setup(...) \
   linux_shmem_file_setup(__VA_ARGS__)
 
+#define	shmem_file_setup_with_mnt(...) \
+  linux_shmem_file_setup_with_mnt(__VA_ARGS__)
+
 #define	shmem_truncate_range(...) \
   linux_shmem_truncate_range(__VA_ARGS__)
 
diff --git a/sys/compat/linuxkpi/common/src/linux_shmemfs.c b/sys/compat/linuxkpi/common/src/linux_shmemfs.c
--- a/sys/compat/linuxkpi/common/src/linux_shmemfs.c
+++ b/sys/compat/linuxkpi/common/src/linux_shmemfs.c
@@ -93,6 +93,15 @@
 	return (ERR_PTR(error));
 }
 
+struct linux_file *
+linux_shmem_file_setup_with_mnt(struct vfsmount *mount,
+    const char *name, loff_t size, unsigned long flags)
+{
+	pr_debug("%s: TODO\n", __func__);
+
+	return (linux_shmem_file_setup(name, size, flags));
+}
+
 static vm_ooffset_t
 linux_invalidate_mapping_pages_sub(vm_object_t obj, vm_pindex_t start,
     vm_pindex_t end, int flags)