__read_once

函数名称：__read_once_size

函数原型：static __always_inline void __read_once_size(const volatile void *p, void *res, int size)

返回类型：void

参数：

**调用者**
名称	描述
release_task
will_become_orphaned_pgrp	Determine if a process group is "orphaned", according to the POSIX* definition in 2
has_stopped_jobs
__sigqueue_alloc	allocate a new signal queue record* - this may be called without locks if and only if t == current, otherwise an* appropriate lock must be held to stop the target task from exiting
__kill_pgrp_info	__kill_pgrp_info() sends a signal to a process group: this is what the tty* control characters do (^C, ^Z etc)* - the caller must hold at least a readlock on tasklist_lock
SYSCALL_DEFINE3
SYSCALL_DEFINE2	Ugh. To avoid negative return values, "getpriority()" will* not return the normal nice-value, but a negated value that* has been offset by 20 (ie it returns 40..1 instead of -20..19)* to stay compatible.
sched_setaffinity
cgroup_destroy_locked	group_destroy_locked - the first stage of cgroup destruction@cgrp: cgroup to be destroyed css's make use of percpu refcnts whose killing latency shouldn't be* exposed to userland and are RCU protected
userns_get
____bpf_get_local_storage
cgroup_storage_lookup_elem
cgroup_storage_seq_show_elem
SYSCALL_DEFINE3
SYSCALL_DEFINE2
cap_safe_nice	Rationale: code calling task_setscheduler, task_setioprio, and* task_setnice, assumes that*
yama_ptrace_access_check	yama_ptrace_access_check - validate PTRACE_ATTACH calls@child: task that current task is attempting to ptrace@mode: ptrace attach mode* Returns 0 if following the ptrace is allowed, -ve on error.
send_sigio
send_sigurg
disk_has_partitions
sk_sleep

函数逻辑报告