函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:ipc\shm.c Create Date:2022-07-27 18:21:49
Last Modify:2020-03-17 22:58:32 Copyright©Brick
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函数名称：shm_rcu_free

函数原型：static void shm_rcu_free(struct rcu_head *head)

返回类型：void

参数：

类型参数名称
struct rcu_head *head
220  ptr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.(head, structkern_ipc_perm, rcu)
222  shp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.(ptr, structshmid_kernel, shm_perm)
224  security_shm_free( & shm_perm)
225  kvfree() - Free memory.*@addr: Pointer to allocated memory.* kvfree frees memory allocated by any of vmalloc(), kmalloc() or kvmalloc().* It is slightly more efficient to use kfree() or vfree() if you are certain* that you know which one to use.