Fix some sparse warnings by making sure we have appropriate "extern"
declarations visible.
Signed-off-by: Tom Duffy <tduffy@sun.com>
Signed-off-by: Hal Rosenstock (<halr@voltaire.com>
Signed-off-by: Roland Dreier <roland@topspin.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>