Extern or forward variable declaration at include/linux/mm.h, line 20 References: fs/eventpoll.c, line 207 fs/eventpoll.c, line 569 fs/ioprio.c, line 80 fs/ioprio.c, line 194 fs/notify/inotify/inotify_user.c, line 79 fs/notify/inotify/inotify_user.c, line 596 include/linux/mm.h, line 20 include/linux/mm.h, line 719 include/linux/mm.h, line 722 include/linux/mm.h, line 740 include/linux/mm.h, line 741 ipc/mqueue.c, line 81 ipc/mqueue.c, line 115 ipc/mqueue.c, line 242 ipc/shm.c, line 769 kernel/sched.c, line 302 kernel/signal.c, line 191 kernel/sys.c, line 149 kernel/sys.c, line 184 kernel/sys.c, line 214 kernel/sys.c, line 247 kernel/sys.c, line 568 mm/mlock.c, line 602 mm/mlock.c, line 624 mm/shmem.c, line 1484 security/keys/process_keys.c, line 45