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)
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>

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