函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\memcontrol.c Create Date:2022-07-27 17:46:45
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：Gets called on EPOLLHUP on eventfd when user closes it.* Called with wqh->lock held and interrupts disabled.

函数原型：static int memcg_event_wake(wait_queue_entry_t *wait, unsigned mode, int sync, void *key)

返回类型：int

参数：

类型参数名称
wait_queue_entry_t *wait
unsignedmode
intsync
void *key
4453  event等于container_of - cast a member of a structure out to the containing structure*@ptr: the pointer to the member.*@type: the type of the container struct this is embedded in.*@member: the name of the member within the struct.(wait, structmem_cgroup_event, wait)
4455  memcg等于memcg which the event belongs to.
4456  flags等于key_to_poll(key)
4458  如果flags按位与EPOLLHUP则
4468  加自旋锁
4469  如果非链表为空则
4470  删除链表项并重新初始化
4475  schedule_work - put work task in global workqueue*@work: job to be done* Returns %false if @work was already on the kernel-global workqueue and* %true otherwise
4477  自旋锁解锁
4480  返回:0