mm: remove nopage

Nothing in the tree uses nopage any more.  Remove support for it in the
core mm code and documentation (and a few stray references to it in
comments).

Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 0 insertions, 8 deletions

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 286d31521605..ca973359fe5f 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -164,8 +164,6 @@ struct vm_operations_struct {
         void (*open)(struct vm_area_struct * area);
         void (*close)(struct vm_area_struct * area);
         int (*fault)(struct vm_area_struct *vma, struct vm_fault *vmf);
-        struct page *(*nopage)(struct vm_area_struct *area,
-                        unsigned long address, int *type);
         unsigned long (*nopfn)(struct vm_area_struct *area,
                         unsigned long address);
 
@@ -649,12 +647,6 @@ static inline int page_mapped(struct page *page)
 }
 
 /*
- * Error return values for the *_nopage functions
- */
-#define NOPAGE_SIGBUS   (NULL)
-#define NOPAGE_OOM      ((struct page *) (-1))
-
-/*
  * Error return values for the *_nopfn functions
  */
 #define NOPFN_SIGBUS    ((unsigned long) -1)