Commit f86b11fb authored by Linus Torvalds's avatar Linus Torvalds
Browse files

mtdchar: remove no-longer-used vma helpers 



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

Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 0fe09a45

drivers/mtd/mtdchar.c

+0 −27
Original line number Diff line number Diff line
@@ -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

 */