函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\sched\mm.h Create Date:2022-07-27 06:42:44
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：in_vfork

函数原型：static inline bool in_vfork(struct task_struct *tsk)

返回类型：bool

参数：

类型参数名称
struct task_struct *tsk
167  _read_lock() - mark the beginning of an RCU read-side critical section* When synchronize_rcu() is invoked on one CPU while other CPUs* are within RCU read-side critical sections, then the* synchronize_rcu() is guaranteed to block until after all the other
168  ret等于vfork_done且mm恒等于mm
169  _read_unlock() - marks the end of an RCU read-side critical section.* In most situations, rcu_read_unlock() is immune from deadlock.* However, in kernels built with CONFIG_RCU_BOOST, rcu_read_unlock()
171  返回:ret
调用者
名称描述
oom_badnessm_badness - heuristic function to determine which candidate task to kill*@p: task struct of which task we should calculate*@totalpages: total present RAM allowed for page allocation* The heuristic for determining which task to kill is made to be as simple