函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\sched\psi.c Create Date:2022-07-27 10:47:18
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：psi_trigger_replace

函数原型：void psi_trigger_replace(void **trigger_ptr, struct psi_trigger *new)

返回类型：void

参数：

类型参数名称
void **trigger_ptr
struct psi_trigger *new
1151  old等于trigger_ptr
1153  如果static_branch_likely( & psi_disabled)则返回
1156  cu_assign_pointer() - assign to RCU-protected pointer*@p: pointer to assign to*@v: value to assign (publish)* Assigns the specified value to the specified RCU-protected* pointer, ensuring that any concurrent RCU readers will see* any prior initialization( * trigger_ptr, new)
1157  如果old则kref_put - decrement refcount for object.*@kref: object.*@release: pointer to the function that will clean up the object when the* last reference to the object is released.* This pointer is required, and it is not acceptable to pass kfree
调用者
名称描述
psi_write
psi_fop_release