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mtdchar: remove no-longer-used vma helpers

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With the conversion to vm_iomap_memory(), these vma helpers are no
longer used.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Linus Torvalds 2013-04-19 10:05:39 -07:00
parent 0fe09a45c4
commit f86b11fbc7
1 changed files with 0 additions and 27 deletions
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27
drivers/mtd/mtdchar.c
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@ -1123,33 +1123,6 @@ static unsigned long mtdchar_get_unmapped_area(struct file *file,
}
#endif
static inline unsigned long get_vm_size(struct vm_area_struct *vma)
{
return vma->vm_end - vma->vm_start;
}
static inline resource_size_t get_vm_offset(struct vm_area_struct *vma)
{
return (resource_size_t) vma->vm_pgoff << PAGE_SHIFT;
}
/*
* Set a new vm offset.
*
* Verify that the incoming offset really works as a page offset,
* and that the offset and size fit in a resource_size_t.
*/
static inline int set_vm_offset(struct vm_area_struct *vma, resource_size_t off)
{
pgoff_t pgoff = off >> PAGE_SHIFT;
if (off != (resource_size_t) pgoff << PAGE_SHIFT)
return -EINVAL;
if (off + get_vm_size(vma) - 1 < off)
return -EINVAL;
vma->vm_pgoff = pgoff;
return 0;
}
/*
* set up a mapping for shared memory segments
*/