Extern or forward variable declaration at include/linux/proc_ns.h, line 7 References: fs/proc/array.c, line 185 fs/proc/array.c, line 389 fs/proc/array.c, line 410 fs/proc/array.c, line 584 fs/proc/array.c, line 590 fs/proc/array.c, line 596 fs/proc/base.c, line 464 fs/proc/base.c, line 501 fs/proc/base.c, line 755 fs/proc/base.c, line 769 fs/proc/base.c, line 841 fs/proc/base.c, line 1761 fs/proc/base.c, line 2237 fs/proc/base.c, line 2843 fs/proc/base.c, line 2855 fs/proc/base.c, line 3117 fs/proc/base.c, line 3146 fs/proc/base.c, line 3202 fs/proc/base.c, line 3386 fs/proc/base.c, line 3428 fs/proc/base.c, line 3503 fs/proc/inode.c, line 113 fs/proc/inode.c, line 420 fs/proc/internal.h, line 69 fs/proc/internal.h, line 162 fs/proc/internal.h, line 164 fs/proc/internal.h, line 166 fs/proc/internal.h, line 168 fs/proc/internal.h, line 292 fs/proc/root.c, line 36 fs/proc/root.c, line 79 fs/proc/root.c, line 86 fs/proc/root.c, line 100 fs/proc/root.c, line 102 fs/proc/root.c, line 216 fs/proc/root.c, line 228 fs/proc/self.c, line 13 fs/proc/self.c, line 24 fs/proc/self.c, line 50 include/linux/proc_ns.h, line 7 include/linux/proc_ns.h, line 44 include/linux/proc_ns.h, line 45 include/linux/proc_ns.h, line 54 include/linux/proc_ns.h, line 55 kernel/pid.c, line 55 kernel/pid.c, line 70 kernel/pid.c, line 140 kernel/pid.c, line 150 kernel/pid.c, line 212 kernel/pid.c, line 235 kernel/pid.c, line 264 kernel/pid.c, line 288 kernel/pid.c, line 293 kernel/pid.c, line 349 kernel/pid.c, line 356 kernel/pid.c, line 442 kernel/pid.c, line 491 kernel/pid.c, line 512 kernel/pid.c, line 530 kernel/pid.c, line 536 kernel/pid.c, line 547 kernel/pid_namespace.c, line 75 kernel/pid_namespace.c, line 75 kernel/pid_namespace.c, line 92 kernel/pid_namespace.c, line 93 kernel/pid_namespace.c, line 95 kernel/pid_namespace.c, line 154 kernel/pid_namespace.c, line 157 kernel/pid_namespace.c, line 169 kernel/pid_namespace.c, line 170 kernel/pid_namespace.c, line 181 kernel/pid_namespace.c, line 183 kernel/pid_namespace.c, line 187 kernel/pid_namespace.c, line 189 kernel/pid_namespace.c, line 200 kernel/pid_namespace.c, line 272 kernel/pid_namespace.c, line 304 kernel/pid_namespace.c, line 335 kernel/pid_namespace.c, line 353 kernel/pid_namespace.c, line 354 kernel/pid_namespace.c, line 384 kernel/pid_namespace.c, line 399