函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\atomic-fallback.h Create Date:2022-07-27 06:38:50
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：atomic64_add_negative - add and test if negative*@i: integer value to add*@v: pointer of type atomic64_t* Atomically adds @i to @v and returns true* if the result is negative, or false when* result is greater than or equal to zero.

函数原型：static inline bool atomic64_add_negative(s64 i, atomic64_t *v)

返回类型：bool

参数：

类型参数名称
s64i
atomic64_t *v
2178  返回:atomic64_add_return(i, v)小于0
调用者
名称描述
pids_cancelpids_cancel - uncharge the local pid count*@pids: the pid cgroup state*@num: the number of pids to cancel* This function will WARN if the pid count goes under 0, because such a case is* a bug in the pids controller proper.