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由 Konstantin Khlebnikov 提交于
If CONFIG_BALLOON_COMPACTION=n balloon_page_insert() does not link pages with balloon and doesn't set PagePrivate flag, as a result balloon_page_dequeue() cannot get any pages because it thinks that all of them are isolated. Without balloon compaction nobody can isolate ballooned pages. It's safe to remove this check. Fixes: d6d86c0a ("mm/balloon_compaction: redesign ballooned pages management"). Signed-off-by: NKonstantin Khlebnikov <k.khlebnikov@samsung.com> Reported-by: NMatt Mullins <mmullins@mmlx.us> Cc: <stable@vger.kernel.org> [3.17] Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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