mm: use vma_pages() to replace (vm_end - vm_start) >> PAGE_SHIFT

[karo-tx-linux.git] / mm / mmap.c

diff --git a/mm/mmap.c b/mm/mmap.c
index f681e1842fadc1ccd8d7188a7ca1688c73548111..8468ffd05baec80b81c13f5fa1a2a27e9b90f625 100644 (file)
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -955,7 +955,7 @@ can_vma_merge_after(struct vm_area_struct *vma, unsigned long vm_flags,
        if (is_mergeable_vma(vma, file, vm_flags) &&
            is_mergeable_anon_vma(anon_vma, vma->anon_vma, vma)) {
                pgoff_t vm_pglen;
-               vm_pglen = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT;
+               vm_pglen = vma_pages(vma);
                if (vma->vm_pgoff + vm_pglen == vm_pgoff)
                        return 1;
        }