函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\bpf\arraymap.c Create Date:2022-07-27 14:28:26
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：cgroup_fd_array_get_ptr

函数原型：static void *cgroup_fd_array_get_ptr(struct bpf_map *map, struct file *map_file, int fd)

返回类型：void

参数：

类型参数名称
struct bpf_map *map
struct file *map_file not used
intfd
975  返回:group_get_from_fd - get a cgroup pointer from a fd*@fd: fd obtained by open(cgroup2_dir)* Find the cgroup from a fd which should be obtained* by opening a cgroup directory. Returns a pointer to the* cgroup on success. ERR_PTR is returned if the cgroup