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>
This commit is contained in:
Nick Piggin
2008-07-23 21:27:05 -07:00
committed by Linus Torvalds
parent a969e903a9
commit 0d71d10a42
2 changed files with 7 additions and 69 deletions

View File

@ -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 */
@ -674,13 +672,6 @@ static inline int page_mapped(struct page *page)
return atomic_read(&(page)->_mapcount) >= 0;
}
/*
* 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