Function prototype or declaration at include/linux/percpu-refcount.h, line 96 References: block/blk-core.c, line 881 drivers/dax/pmem.c, line 103 drivers/infiniband/sw/rdmavt/mr.c, line 151 drivers/md/md.c, line 5198 drivers/nvme/target/core.c, line 286 drivers/nvme/target/core.c, line 467 drivers/target/target_core_tpg.c, line 602 fs/aio.c, line 746 fs/aio.c, line 749 include/linux/genhd.h, line 632 include/linux/percpu-refcount.h, line 96 kernel/cgroup/cgroup.c, line 1716 kernel/cgroup/cgroup.c, line 4142 kernel/cgroup/cgroup.c, line 4195 lib/percpu-refcount.c, line 59 lib/percpu-refcount.c, line 89 mm/backing-dev.c, line 579