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mm: remove nopage

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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>
This commit is contained in:
Nick Piggin 2008-04-28 02:12:10 -07:00 • committed by Linus Torvalds
parent 4d3d5b41a7
commit 3c18ddd160
9 changed files with 11 additions and 43 deletions
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8
include/linux/mm.h
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@ -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);
@ -648,12 +646,6 @@ static inline int page_mapped(struct page *page)
return atomic_read(&(page)->_mapcount) >= 0;
}
/*
* Error return values for the *_nopage functions
*/
#define NOPAGE_SIGBUS (NULL)
#define NOPAGE_OOM ((struct page *) (-1))
/*
* Error return values for the *_nopfn functions
*/