Comment 1 for bug 1572562

The following 2 patches are the solution to the bug:

4d88e6f7d5ff mm/balloon_compaction: fix deflation when compaction is disabled
d6d86c0a7f8d mm/balloon_compaction: redesign ballooned pages management

Related upstream mailing list discussion:
- mm: compaction: buffer overflow in isolate_migratepages_range
  https://lkml.org/lkml/2014/8/9/162
- [PATCH v3 1/4] mm/balloon_compaction: redesign ballooned pages management
  http://www.spinics.net/lists/linux-mm/msg79249.html