proc_ns_operations 21 include/linux/proc_ns.h const struct proc_ns_operations *ns_ops; proc_ns_operations 24 include/linux/proc_ns.h extern const struct proc_ns_operations netns_operations; proc_ns_operations 25 include/linux/proc_ns.h extern const struct proc_ns_operations utsns_operations; proc_ns_operations 26 include/linux/proc_ns.h extern const struct proc_ns_operations ipcns_operations; proc_ns_operations 27 include/linux/proc_ns.h extern const struct proc_ns_operations pidns_operations; proc_ns_operations 28 include/linux/proc_ns.h extern const struct proc_ns_operations userns_operations; proc_ns_operations 29 include/linux/proc_ns.h extern const struct proc_ns_operations mntns_operations;