From 9992af102974f3f8a02a1f2729c3461881539e26 Mon Sep 17 00:00:00 2001
From: Rik van Riel <riel@redhat.com>
Date: Thu, 13 Jan 2011 15:47:13 -0800
Subject: [PATCH] thp: scale nr_rotated to balance memory pressure

Make sure we scale up nr_rotated when we encounter a referenced
transparent huge page.  This ensures pageout scanning balance is not
distorted when there are huge pages on the LRU.

Signed-off-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
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