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authorRik van Riel <riel@redhat.com>2011-01-13 15:47:13 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2011-01-13 17:32:46 -0800
commit9992af102974f3f8a02a1f2729c3461881539e26 (patch)
tree40958e1a8bd7efc7c9a4d28e2b77d86bb8688734 /Documentation/md.txt
parent2c888cfbc1b45508a44763d85ba2e8ac43faff5f (diff)
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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