624 struct task_struct {  struct
636 	 * This begins the randomizable portion of task_struct. Only  argument
656 	struct task_struct		*last_wakee;  argument
665 	int				recent_used_cpu;
666 	int				wake_cpu;
668 	int				on_rq;
670 	int				prio;
671 	int				static_prio;
672 	int				normal_prio;
673 	unsigned int			rt_priority;
675 	const struct sched_class	*sched_class;
676 	struct sched_entity		se;
677 	struct sched_rt_entity		rt;
679 	struct task_group		*sched_task_group;
681 	struct sched_dl_entity		dl;
685 	struct uclamp_se		uclamp_req[UCLAMP_CNT];
687 	struct uclamp_se		uclamp[UCLAMP_CNT];
692 	struct hlist_head		preempt_notifiers;
696 	unsigned int			btrace_seq;
699 	unsigned int			policy;
700 	int				nr_cpus_allowed;
701 	const cpumask_t			*cpus_ptr;
702 	cpumask_t			cpus_mask;
705 	int				rcu_read_lock_nesting;
706 	union rcu_special		rcu_read_unlock_special;
707 	struct list_head		rcu_node_entry;
708 	struct rcu_node			*rcu_blocked_node;
712 	unsigned long			rcu_tasks_nvcsw;
713 	u8				rcu_tasks_holdout;
714 	u8				rcu_tasks_idx;
715 	int				rcu_tasks_idle_cpu;
716 	struct list_head		rcu_tasks_holdout_list;
719 	struct sched_info		sched_info;
721 	struct list_head		tasks;
723 	struct plist_node		pushable_tasks;
724 	struct rb_node			pushable_dl_tasks;
727 	struct mm_struct		*mm;
728 	struct mm_struct		*active_mm;
731 	struct vmacache			vmacache;
734 	struct task_rss_stat		rss_stat;
736 	int				exit_state;
737 	int				exit_code;
738 	int				exit_signal;
740 	int				pdeath_signal;
742 	unsigned long			jobctl;
745 	unsigned int			personality;
748 	unsigned			sched_reset_on_fork:1;
749 	unsigned			sched_contributes_to_load:1;
750 	unsigned			sched_migrated:1;
751 	unsigned			sched_remote_wakeup:1;
753 	unsigned			sched_psi_wake_requeue:1;
762 	unsigned			in_execve:1;
763 	unsigned			in_iowait:1;
765 	unsigned			restore_sigmask:1;
768 	unsigned			in_user_fault:1;
771 	unsigned			brk_randomized:1;
775 	unsigned			no_cgroup_migration:1;
777 	unsigned			frozen:1;
802 	struct task_struct __rcu	*real_parent;  argument
805 	struct task_struct __rcu	*parent;  argument
812 	struct task_struct		*group_leader;  argument
820 	struct list_head		ptraced;
821 	struct list_head		ptrace_entry;
824 	struct pid			*thread_pid;
825 	struct hlist_node		pid_links[PIDTYPE_MAX];
826 	struct list_head		thread_group;
827 	struct list_head		thread_node;
829 	struct completion		*vfork_done;
832 	int __user			*set_child_tid;
835 	int __user			*clear_child_tid;
837 	u64				utime;
838 	u64				stime;
840 	u64				utimescaled;
841 	u64				stimescaled;
843 	u64				gtime;
844 	struct prev_cputime		prev_cputime;
846 	struct vtime			vtime;
850 	atomic_t			tick_dep_mask;
853 	unsigned long			nvcsw;
854 	unsigned long			nivcsw;
857 	u64				start_time;
860 	u64				real_start_time;
863 	unsigned long			min_flt;
864 	unsigned long			maj_flt;
867 	struct posix_cputimers		posix_cputimers;
872 	const struct cred __rcu		*ptracer_cred;
875 	const struct cred __rcu		*real_cred;
878 	const struct cred __rcu		*cred;
882 	struct key			*cached_requested_key;
892 	char				comm[TASK_COMM_LEN];
894 	struct nameidata		*nameidata;
897 	struct sysv_sem			sysvsem;
898 	struct sysv_shm			sysvshm;
901 	unsigned long			last_switch_count;
902 	unsigned long			last_switch_time;
905 	struct fs_struct		*fs;
908 	struct files_struct		*files;
911 	struct nsproxy			*nsproxy;
914 	struct signal_struct		*signal;
915 	struct sighand_struct		*sighand;
916 	sigset_t			blocked;
917 	sigset_t			real_blocked;
919 	sigset_t			saved_sigmask;
920 	struct sigpending		pending;
921 	unsigned long			sas_ss_sp;
922 	size_t				sas_ss_size;
923 	unsigned int			sas_ss_flags;
925 	struct callback_head		*task_works;
952 	struct task_struct		*pi_top_task;  argument
954 	struct rt_mutex_waiter		*pi_blocked_on;
959 	struct mutex_waiter		*blocked_on;
963 	int				non_block_count;
967 	unsigned int			irq_events;
968 	unsigned long			hardirq_enable_ip;
969 	unsigned long			hardirq_disable_ip;
970 	unsigned int			hardirq_enable_event;
971 	unsigned int			hardirq_disable_event;
972 	int				hardirqs_enabled;
973 	int				hardirq_context;
974 	unsigned long			softirq_disable_ip;
975 	unsigned long			softirq_enable_ip;
976 	unsigned int			softirq_disable_event;
977 	unsigned int			softirq_enable_event;
978 	int				softirqs_enabled;
979 	int				softirq_context;
984 	u64				curr_chain_key;
985 	int				lockdep_depth;
986 	unsigned int			lockdep_recursion;
987 	struct held_lock		held_locks[MAX_LOCK_DEPTH];
991 	unsigned int			in_ubsan;
995 	void				*journal_info;
998 	struct bio_list			*bio_list;
1002 	struct blk_plug			*plug;
1006 	struct reclaim_state		*reclaim_state;
1008 	struct backing_dev_info		*backing_dev_info;
1010 	struct io_context		*io_context;
1013 	struct capture_control		*capture_control;
1016 	unsigned long			ptrace_message;
1017 	kernel_siginfo_t		*last_siginfo;
1019 	struct task_io_accounting	ioac;
1022 	unsigned int			psi_flags;
1026 	u64				acct_rss_mem1;
1028 	u64				acct_vm_mem1;
1030 	u64				acct_timexpd;
1034 	nodemask_t			mems_allowed;
1036 	seqcount_t			mems_allowed_seq;
1037 	int				cpuset_mem_spread_rotor;
1038 	int				cpuset_slab_spread_rotor;
1042 	struct css_set __rcu		*cgroups;
1044 	struct list_head		cg_list;
1047 	u32				closid;
1048 	u32				rmid;
1051 	struct robust_list_head __user	*robust_list;
1053 	struct compat_robust_list_head __user *compat_robust_list;
1055 	struct list_head		pi_state_list;
1056 	struct futex_pi_state		*pi_state_cache;
1059 	struct perf_event_context	*perf_event_ctxp[perf_nr_task_contexts];
1060 	struct mutex			perf_event_mutex;
1061 	struct list_head		perf_event_list;
1064 	unsigned long			preempt_disable_ip;
1068 	struct mempolicy		*mempolicy;
1069 	short				il_prev;
1070 	short				pref_node_fork;
1073 	int				numa_scan_seq;
1074 	unsigned int			numa_scan_period;
1075 	unsigned int			numa_scan_period_max;
1076 	int				numa_preferred_nid;
1077 	unsigned long			numa_migrate_retry;
1079 	u64				node_stamp;
1080 	u64				last_task_numa_placement;
1081 	u64				last_sum_exec_runtime;
1082 	struct callback_head		numa_work;
1092 	struct numa_group __rcu		*numa_group;
1108 	unsigned long			*numa_faults;
1109 	unsigned long			total_numa_faults;
1117 	unsigned long			numa_faults_locality[3];
1119 	unsigned long			numa_pages_migrated;
1123 	struct rseq __user *rseq;
1124 	u32 rseq_sig;
1129 	unsigned long rseq_event_mask;
1132 	struct tlbflush_unmap_batch	tlb_ubc;
1134 	union {
1140 	struct pipe_inode_info		*splice_pipe;
1142 	struct page_frag		task_frag;
1145 	struct task_delay_info		*delays;
1149 	int				make_it_fail;
1150 	unsigned int			fail_nth;
1156 	int				nr_dirtied;
1157 	int				nr_dirtied_pause;
1159 	unsigned long			dirty_paused_when;
1162 	int				latency_record_count;
1163 	struct latency_record		latency_record[LT_SAVECOUNT];
1169 	u64				timer_slack_ns;
1170 	u64				default_timer_slack_ns;
1173 	unsigned int			kasan_depth;
1178 	int				curr_ret_stack;
1179 	int				curr_ret_depth;
1182 	struct ftrace_ret_stack		*ret_stack;
1185 	unsigned long long		ftrace_timestamp;
1191 	atomic_t			trace_overrun;
1194 	atomic_t			tracing_graph_pause;
1199 	unsigned long			trace;
1202 	unsigned long			trace_recursion;
1207 	unsigned int			kcov_mode;
1210 	unsigned int			kcov_size;
1213 	void				*kcov_area;
1216 	struct kcov			*kcov;
1220 	struct mem_cgroup		*memcg_in_oom;
1221 	gfp_t				memcg_oom_gfp_mask;
1222 	int				memcg_oom_order;
1247 	struct task_struct		*oom_reaper_list;  argument
1270 	 * New fields for task_struct should be added above here, so that  argument
1280 	 * structure.  It *MUST* be at the end of 'task_struct'.  argument