ARM: fix forced-HZ values
authorRussell King <rmk+kernel@arm.linux.org.uk>
Tue, 10 Sep 2013 22:47:55 +0000 (23:47 +0100)
committerRussell King <rmk+kernel@arm.linux.org.uk>
Tue, 10 Sep 2013 22:47:55 +0000 (23:47 +0100)
Olof Johansson reports that the tests against HZ_FIXED seem
non-functional.  Fix this by using '0' as a sentinel for "not
specified" and test against that instead.

Reported-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

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