[PATCH v2 3/6] powerpc/pkeys: fix calculation of total pkeys.

[Michael Ellerman]

Ram Pai <linuxram at us.ibm.com> writes:

> Total number of pkeys calculation is off by 1. Fix it.

Oops.

Fixes: 4fb158f65ac5 ("powerpc: track allocation status of all pkeys")
Cc: stable at vger.kernel.org # v4.16+

cheers