640 struct task_struct {  struct
652 	 * This begins the randomizable portion of task_struct. Only  argument
672 	struct task_struct		*last_wakee;  argument
681 	int				recent_used_cpu;
682 	int				wake_cpu;
684 	int				on_rq;
686 	int				prio;
687 	int				static_prio;
688 	int				normal_prio;
689 	unsigned int			rt_priority;
691 	const struct sched_class	*sched_class;
692 	struct sched_entity		se;
693 	struct sched_rt_entity		rt;
695 	struct task_group		*sched_task_group;
697 	struct sched_dl_entity		dl;
704 	struct uclamp_se		uclamp_req[UCLAMP_CNT];
709 	struct uclamp_se		uclamp[UCLAMP_CNT];
714 	struct hlist_head		preempt_notifiers;
718 	unsigned int			btrace_seq;
721 	unsigned int			policy;
722 	int				nr_cpus_allowed;
723 	const cpumask_t			*cpus_ptr;
724 	cpumask_t			cpus_mask;
727 	int				rcu_read_lock_nesting;
728 	union rcu_special		rcu_read_unlock_special;
729 	struct list_head		rcu_node_entry;
730 	struct rcu_node			*rcu_blocked_node;
734 	unsigned long			rcu_tasks_nvcsw;
735 	u8				rcu_tasks_holdout;
736 	u8				rcu_tasks_idx;
737 	int				rcu_tasks_idle_cpu;
738 	struct list_head		rcu_tasks_holdout_list;
742 	int				trc_reader_nesting;
743 	int				trc_ipi_to_cpu;
744 	union rcu_special		trc_reader_special;
745 	bool				trc_reader_checked;
746 	struct list_head		trc_holdout_list;
749 	struct sched_info		sched_info;
751 	struct list_head		tasks;
753 	struct plist_node		pushable_tasks;
754 	struct rb_node			pushable_dl_tasks;
757 	struct mm_struct		*mm;
758 	struct mm_struct		*active_mm;
761 	struct vmacache			vmacache;
764 	struct task_rss_stat		rss_stat;
766 	int				exit_state;
767 	int				exit_code;
768 	int				exit_signal;
770 	int				pdeath_signal;
772 	unsigned long			jobctl;
775 	unsigned int			personality;
778 	unsigned			sched_reset_on_fork:1;
779 	unsigned			sched_contributes_to_load:1;
780 	unsigned			sched_migrated:1;
782 	unsigned			sched_psi_wake_requeue:1;
803 	unsigned			sched_remote_wakeup:1;
806 	unsigned			in_execve:1;
807 	unsigned			in_iowait:1;
809 	unsigned			restore_sigmask:1;
812 	unsigned			in_user_fault:1;
815 	unsigned			brk_randomized:1;
819 	unsigned			no_cgroup_migration:1;
821 	unsigned			frozen:1;
824 	unsigned			use_memdelay:1;
849 	struct task_struct __rcu	*real_parent;  argument
852 	struct task_struct __rcu	*parent;  argument
859 	struct task_struct		*group_leader;  argument
867 	struct list_head		ptraced;
868 	struct list_head		ptrace_entry;
871 	struct pid			*thread_pid;
872 	struct hlist_node		pid_links[PIDTYPE_MAX];
873 	struct list_head		thread_group;
874 	struct list_head		thread_node;
876 	struct completion		*vfork_done;
879 	int __user			*set_child_tid;
882 	int __user			*clear_child_tid;
884 	u64				utime;
885 	u64				stime;
887 	u64				utimescaled;
888 	u64				stimescaled;
890 	u64				gtime;
891 	struct prev_cputime		prev_cputime;
893 	struct vtime			vtime;
897 	atomic_t			tick_dep_mask;
900 	unsigned long			nvcsw;
901 	unsigned long			nivcsw;
904 	u64				start_time;
907 	u64				start_boottime;
910 	unsigned long			min_flt;
911 	unsigned long			maj_flt;
914 	struct posix_cputimers		posix_cputimers;
917 	struct posix_cputimers_work	posix_cputimers_work;
923 	const struct cred __rcu		*ptracer_cred;
926 	const struct cred __rcu		*real_cred;
929 	const struct cred __rcu		*cred;
933 	struct key			*cached_requested_key;
943 	char				comm[TASK_COMM_LEN];
945 	struct nameidata		*nameidata;
948 	struct sysv_sem			sysvsem;
949 	struct sysv_shm			sysvshm;
952 	unsigned long			last_switch_count;
953 	unsigned long			last_switch_time;
956 	struct fs_struct		*fs;
959 	struct files_struct		*files;
962 	struct io_uring_task		*io_uring;
966 	struct nsproxy			*nsproxy;
969 	struct signal_struct		*signal;
970 	struct sighand_struct __rcu		*sighand;
971 	sigset_t			blocked;
972 	sigset_t			real_blocked;
974 	sigset_t			saved_sigmask;
975 	struct sigpending		pending;
976 	unsigned long			sas_ss_sp;
977 	size_t				sas_ss_size;
978 	unsigned int			sas_ss_flags;
980 	struct callback_head		*task_works;
1007 	struct task_struct		*pi_top_task;  argument
1009 	struct rt_mutex_waiter		*pi_blocked_on;
1014 	struct mutex_waiter		*blocked_on;
1018 	int				non_block_count;
1022 	struct irqtrace_events		irqtrace;
1023 	unsigned int			hardirq_threaded;
1024 	u64				hardirq_chain_key;
1025 	int				softirqs_enabled;
1026 	int				softirq_context;
1027 	int				irq_config;
1032 	u64				curr_chain_key;
1033 	int				lockdep_depth;
1034 	unsigned int			lockdep_recursion;
1035 	struct held_lock		held_locks[MAX_LOCK_DEPTH];
1039 	unsigned int			in_ubsan;
1043 	void				*journal_info;
1046 	struct bio_list			*bio_list;
1050 	struct blk_plug			*plug;
1054 	struct reclaim_state		*reclaim_state;
1056 	struct backing_dev_info		*backing_dev_info;
1058 	struct io_context		*io_context;
1061 	struct capture_control		*capture_control;
1064 	unsigned long			ptrace_message;
1065 	kernel_siginfo_t		*last_siginfo;
1067 	struct task_io_accounting	ioac;
1070 	unsigned int			psi_flags;
1074 	u64				acct_rss_mem1;
1076 	u64				acct_vm_mem1;
1078 	u64				acct_timexpd;
1082 	nodemask_t			mems_allowed;
1084 	seqcount_spinlock_t		mems_allowed_seq;
1085 	int				cpuset_mem_spread_rotor;
1086 	int				cpuset_slab_spread_rotor;
1090 	struct css_set __rcu		*cgroups;
1092 	struct list_head		cg_list;
1095 	u32				closid;
1096 	u32				rmid;
1099 	struct robust_list_head __user	*robust_list;
1101 	struct compat_robust_list_head __user *compat_robust_list;
1103 	struct list_head		pi_state_list;
1104 	struct futex_pi_state		*pi_state_cache;
1105 	struct mutex			futex_exit_mutex;
1106 	unsigned int			futex_state;
1109 	struct perf_event_context	*perf_event_ctxp[perf_nr_task_contexts];
1110 	struct mutex			perf_event_mutex;
1111 	struct list_head		perf_event_list;
1114 	unsigned long			preempt_disable_ip;
1118 	struct mempolicy		*mempolicy;
1119 	short				il_prev;
1120 	short				pref_node_fork;
1123 	int				numa_scan_seq;
1124 	unsigned int			numa_scan_period;
1125 	unsigned int			numa_scan_period_max;
1126 	int				numa_preferred_nid;
1127 	unsigned long			numa_migrate_retry;
1129 	u64				node_stamp;
1130 	u64				last_task_numa_placement;
1131 	u64				last_sum_exec_runtime;
1132 	struct callback_head		numa_work;
1142 	struct numa_group __rcu		*numa_group;
1158 	unsigned long			*numa_faults;
1159 	unsigned long			total_numa_faults;
1167 	unsigned long			numa_faults_locality[3];
1169 	unsigned long			numa_pages_migrated;
1173 	struct rseq __user *rseq;
1174 	u32 rseq_sig;
1179 	unsigned long rseq_event_mask;
1182 	struct tlbflush_unmap_batch	tlb_ubc;
1184 	union {
1190 	struct pipe_inode_info		*splice_pipe;
1192 	struct page_frag		task_frag;
1195 	struct task_delay_info		*delays;
1199 	int				make_it_fail;
1200 	unsigned int			fail_nth;
1206 	int				nr_dirtied;
1207 	int				nr_dirtied_pause;
1209 	unsigned long			dirty_paused_when;
1212 	int				latency_record_count;
1213 	struct latency_record		latency_record[LT_SAVECOUNT];
1219 	u64				timer_slack_ns;
1220 	u64				default_timer_slack_ns;
1223 	unsigned int			kasan_depth;
1227 	struct kcsan_ctx		kcsan_ctx;
1229 	struct irqtrace_events		kcsan_save_irqtrace;
1234 	struct kunit			*kunit_test;
1239 	int				curr_ret_stack;
1240 	int				curr_ret_depth;
1243 	struct ftrace_ret_stack		*ret_stack;
1246 	unsigned long long		ftrace_timestamp;
1252 	atomic_t			trace_overrun;
1255 	atomic_t			tracing_graph_pause;
1260 	unsigned long			trace;
1263 	unsigned long			trace_recursion;
1270 	unsigned int			kcov_mode;
1273 	unsigned int			kcov_size;
1276 	void				*kcov_area;
1279 	struct kcov			*kcov;
1282 	u64				kcov_handle;
1285 	int				kcov_sequence;
1288 	unsigned int			kcov_softirq;
1292 	struct mem_cgroup		*memcg_in_oom;
1293 	gfp_t				memcg_oom_gfp_mask;
1294 	int				memcg_oom_order;
1319 	struct task_struct		*oom_reaper_list;  argument
1322 	struct vm_struct		*stack_vm_area;
1326 	refcount_t			stack_refcount;
1352 	 * New fields for task_struct should be added above here, so that  argument
1362 	 * structure.  It *MUST* be at the end of 'task_struct'.  argument