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mm/interval_tree.c: use vma_pages() helper 

Use vma_pages function on vma object instead of explicit computation.

  mm/interval_tree.c:21:27-33: WARNING: Consider using vma_pages helper

Generated by: scripts/coccinelle/api/vma_pages.cocci

Link: http://lkml.kernel.org/r/1511364410-13499-1-git-send-email-gomonovych@gmail.com
Signed-off-by: Vasyl Gomonovych <gomonovych@gmail.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Davidlohr Bueso <dbueso@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:
Vasyl Gomonovych 2018-01-31 16:17:03 -08:00 committed by Linus Torvalds
parent 235266b8e1
commit e025f059a3
1 changed files with 1 additions and 1 deletions
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2
mm/interval_tree.c
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@ -18,7 +18,7 @@ static inline unsigned long vma_start_pgoff(struct vm_area_struct *v)
static inline unsigned long vma_last_pgoff(struct vm_area_struct *v)
{
return v->vm_pgoff + ((v->vm_end - v->vm_start) >> PAGE_SHIFT) - 1;
return v->vm_pgoff + vma_pages(v) - 1;
}
INTERVAL_TREE_DEFINE(struct vm_area_struct, shared.rb,