tree 10b3236df34daab7420408ce88d80f09cfcdf99c
parent 10ccaf4b7121fb839442be7e079baa8fd0b28caf
author Christoph Lameter <clameter@sgi.com> 1177364469 -0700
committer Linus Torvalds <torvalds@woody.linux-foundation.org> 1177428188 -0700

page migration: fix NR_FILE_PAGES accounting

NR_FILE_PAGES must be accounted for depending on the zone that the page
belongs to.  If we replace the page in the radix tree then we may have to
shift the count to another zone.

Suggested-by: Ethan Solomita <solo@google.com>
Eventually-typed-in-by: Christoph Lameter <clameter@sgi.com>
Cc: Martin Bligh <mbligh@mbligh.org>
Cc: <stable@kernel.org>
Signed-off-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>