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Revision 433abed6c6f76ca079a9564f2a1a51fd28ebe0ca authored by Naoya Horiguchi on 10 September 2010, 04:23:03 UTC, committed by Linus Torvalds on 24 September 2010, 00:29:18 UTC 
hugetlb, rmap: always use anon_vma root pointer
 
This patch applies Andrea's fix given by the following patch into hugepage
rmapping code:

  commit 288468c334e98aacbb7e2fb8bde6bc1adcd55e05
  Author: Andrea Arcangeli <aarcange@redhat.com>
  Date:   Mon Aug 9 17:19:09 2010 -0700

This patch uses anon_vma->root and avoids unnecessary overwriting when
anon_vma is already set up.

Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Acked-by: Andrea Arcangeli <aarcange@redhat.com>
Reviewed-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
1 parent bcf835e
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