Commit 925d519a ("perf_counter:
unify and fix delayed counter wakeup") added global definitions.
Signed-off-by: NStephen Rothwell <sfr@canb.auug.org.au>
Acked-by: NPaul Mackerras <paulus@samba.org>
Acked-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>