diff --git a/mm/tiny-shmem.c b/mm/tiny-shmem.c
index 7020836..f0f5587 100644
--- a/mm/tiny-shmem.c
+++ b/mm/tiny-shmem.c
@@ -39,12 +39,11 @@
 }
 module_init(init_tmpfs)
 
-/*
+/**
  * shmem_file_setup - get an unlinked file living in tmpfs
- *
  * @name: name for dentry (to be seen in /proc/<pid>/maps
  * @size: size to be set for the file
- *
+ * @flags: vm_flags
  */
 struct file *shmem_file_setup(char *name, loff_t size, unsigned long flags)
 {
@@ -95,9 +94,8 @@
 	return ERR_PTR(error);
 }
 
-/*
+/**
  * shmem_zero_setup - setup a shared anonymous mapping
- *
  * @vma: the vma to be mmapped is prepared by do_mmap_pgoff
  */
 int shmem_zero_setup(struct vm_area_struct *vma)