Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\sched\mm.h Create Date:2022-07-28 05:40:54
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:in_vfork

Proto:static inline bool in_vfork(struct task_struct *tsk)

Type:bool

Parameter:

TypeParameterName
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 = vfork_done && mm == 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  Return ret
Caller
NameDescribe
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