Avoid duplicate _count variables in page_struct
authorChristoph Lameter <cl@linux.com>
Thu, 14 Jul 2011 17:48:14 +0000 (12:48 -0500)
committerPekka Enberg <penberg@kernel.org>
Mon, 18 Jul 2011 12:17:01 +0000 (15:17 +0300)
commit013e896373fc53f3d3c039364a25ccbd1fc0729a
treedf67921f753114f3e3ea326507dbc515f2852fc6
parent3adf004d82c03ca9d57cbe960657757a71e4c2e7
Avoid duplicate _count variables in page_struct

Restructure the union / struct cascade in struct page so that
we only have one definition of _count.

Tested-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
include/linux/mm_types.h