Commits
Heiko Carstens committed 2ddb3ec4149
[S390] atomic: implement atomic64_dec_if_positive Implement atomic64_dec_if_positive and add missing system.h header include. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>