page flags: add PAGEFLAGS_FALSE for flags that are always false
authorChristoph Lameter <clameter@sgi.com>
Mon, 28 Apr 2008 09:12:53 +0000 (02:12 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Mon, 28 Apr 2008 15:58:22 +0000 (08:58 -0700)
commitec7cade8c1a3d1ace69b35cc843b181818578dce
tree32ab77ff6b58cb55834e729fa020eb91ef9940f0
parent602c4d112f9abf43af4b882b4a6f5505ed5c51b7
page flags: add PAGEFLAGS_FALSE for flags that are always false

Turns out that there are a number of times that a flag is simply always
returning 0.  Define a macro for that.

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>
include/linux/page-flags.h