函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\rcu\tree.c Create Date:2022-07-27 11:27:31
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：On non-huge systems, use expedited RCU grace periods to make suspend* and hibernation run faster.

函数原型：static int rcu_pm_notify(struct notifier_block *self, unsigned long action, void *hcpu)

返回类型：int

参数：

类型参数名称
struct notifier_block *self
unsigned longaction
void *hcpu
3296  当:action恒等于Going to hibernate
3297  当:action恒等于Going to suspend the system
3298  _expedite_gp - Expedite future RCU grace periods* After a call to this function, future calls to synchronize_rcu() and* friends act as the corresponding synchronize_rcu_expedited() function* had instead been called.
3299  退出
3300  当:action恒等于Hibernation finished
3301  当:action恒等于Suspend finished
3302  _unexpedite_gp - Cancel prior rcu_expedite_gp() invocation* Undo a prior call to rcu_expedite_gp()
3303  退出
3304  默认
3305  退出
3307  返回:Suits me