fs/ramfs/file-nommu.c: make ramfs_nommu_get_unmapped_area() and ramfs_nommu_mmap() static

Since commit 853ac43ab194 ("shmem: unify regular and tiny shmem"),
ramfs_nommu_get_unmapped_area() and ramfs_nommu_mmap() are not directly
referenced outside of file-nommu.c.  Thus make them static.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2 files changed, 8 insertions, 9 deletions

diff --git a/fs/ramfs/file-nommu.c b/fs/ramfs/file-nommu.c
index 8d5b438cc188..80862b1aeea7 100644
--- a/fs/ramfs/file-nommu.c
+++ b/fs/ramfs/file-nommu.c
@@ -27,6 +27,12 @@
 #include "internal.h"
 
 static int ramfs_nommu_setattr(struct dentry *, struct iattr *);
+static unsigned long ramfs_nommu_get_unmapped_area(struct file *file,
+                                                   unsigned long addr,
+                                                   unsigned long len,
+                                                   unsigned long pgoff,
+                                                   unsigned long flags);
+static int ramfs_nommu_mmap(struct file *file, struct vm_area_struct *vma);
 
 const struct address_space_operations ramfs_aops = {
         .readpage               = simple_readpage,
@@ -197,7 +203,7 @@ static int ramfs_nommu_setattr(struct dentry *dentry, struct iattr *ia)
  *   - the pages to be mapped must exist
  *   - the pages be physically contiguous in sequence
  */
-unsigned long ramfs_nommu_get_unmapped_area(struct file *file,
+static unsigned long ramfs_nommu_get_unmapped_area(struct file *file,
                                             unsigned long addr, unsigned long len,
                                             unsigned long pgoff, unsigned long flags)
 {
@@ -256,7 +262,7 @@ out:
 /*
  * set up a mapping for shared memory segments
  */
-int ramfs_nommu_mmap(struct file *file, struct vm_area_struct *vma)
+static int ramfs_nommu_mmap(struct file *file, struct vm_area_struct *vma)
 {
         if (!(vma->vm_flags & VM_SHARED))
                 return -ENOSYS;
diff --git a/include/linux/ramfs.h b/include/linux/ramfs.h
index 753207c8ce20..ecc730977a5a 100644
--- a/include/linux/ramfs.h
+++ b/include/linux/ramfs.h
@@ -14,13 +14,6 @@ ramfs_nommu_expand_for_mapping(struct inode *inode, size_t newsize)
 }
 #else
 extern int ramfs_nommu_expand_for_mapping(struct inode *inode, size_t newsize);
-extern unsigned long ramfs_nommu_get_unmapped_area(struct file *file,
-                                                   unsigned long addr,
-                                                   unsigned long len,
-                                                   unsigned long pgoff,
-                                                   unsigned long flags);
-
-extern int ramfs_nommu_mmap(struct file *file, struct vm_area_struct *vma);
 #endif
 
 extern const struct file_operations ramfs_file_operations;