mm: remove nopfn

There are no users of nopfn in the tree. Remove it.

[hugh@veritas.com: fix build error]
Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 0 insertions, 9 deletions

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 2128ef7780c6..eb815cfc1b35 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -166,8 +166,6 @@ 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);
-        unsigned long (*nopfn)(struct vm_area_struct *area,
-                        unsigned long address);
 
         /* notification that a previously read-only page is about to become
          * writable, if an error is returned it will cause a SIGBUS */
@@ -675,13 +673,6 @@ static inline int page_mapped(struct page *page)
 }
 
 /*
- * Error return values for the *_nopfn functions
- */
-#define NOPFN_SIGBUS    ((unsigned long) -1)
-#define NOPFN_OOM       ((unsigned long) -2)
-#define NOPFN_REFAULT   ((unsigned long) -3)
-
-/*
  * Different kinds of faults, as returned by handle_mm_fault().
  * Used to decide whether a process gets delivered SIGBUS or
  * just gets major/minor fault counters bumped up.