Extern or forward variable declaration at include/linux/futex.h, line 9 References: kernel/exit.c, line 346 kernel/exit.c, line 436 kernel/fork.c, line 345 kernel/fork.c, line 474 kernel/fork.c, line 474 kernel/fork.c, line 489 kernel/fork.c, line 490 kernel/fork.c, line 638 kernel/fork.c, line 646 kernel/fork.c, line 651 kernel/fork.c, line 651 kernel/fork.c, line 662 kernel/fork.c, line 694 kernel/fork.c, line 710 kernel/fork.c, line 712 kernel/fork.c, line 716 kernel/fork.c, line 998 kernel/fork.c, line 1006 kernel/fork.c, line 1015 kernel/fork.c, line 1022 kernel/fork.c, line 1029 kernel/fork.c, line 1036 kernel/fork.c, line 1036 kernel/fork.c, line 1095 kernel/fork.c, line 1097 kernel/fork.c, line 1107 kernel/fork.c, line 1131 kernel/fork.c, line 1143 kernel/fork.c, line 1143 kernel/fork.c, line 1149 kernel/fork.c, line 1169 kernel/fork.c, line 1206 kernel/fork.c, line 1255 kernel/fork.c, line 1277 kernel/fork.c, line 1298 kernel/fork.c, line 1300 kernel/fork.c, line 1315 kernel/fork.c, line 1317 kernel/fork.c, line 1382 kernel/fork.c, line 1416 kernel/fork.c, line 1422 kernel/fork.c, line 1438 kernel/fork.c, line 1439 kernel/fork.c, line 1441 kernel/fork.c, line 1477 kernel/fork.c, line 2508 kernel/fork.c, line 2933 kernel/fork.c, line 2938 kernel/fork.c, line 2939