函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\list_nulls.h Create Date:2022-07-27 06:50:48
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：判定指针为空

函数原型：static inline int is_a_nulls(const struct hlist_nulls_node *ptr)

返回类型：int

参数：

类型参数名称
const struct hlist_nulls_node *ptr
45  返回:ptr按位与1
调用者
名称描述
io_wqe_activate_free_workerCheck head of free list for an available worker. If one isn't available,* caller must wake up the wq manager to create one.
hlist_nulls_empty
hlist_nulls_add_head
__hlist_nulls_del
hlist_nulls_add_head_rcuhlist_nulls_add_head_rcu*@n: the element to add to the hash list
hlist_nulls_add_tail_rcuhlist_nulls_add_tail_rcu*@n: the element to add to the hash list
sk_nulls_next