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 18:22:44
Last Modify:2020-03-17 22:58:32 Copyright©Brick
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函数名称：Called with shm_ids.rwsem held as a reader

函数原型：static void shm_get_stat(struct ipc_namespace *ns, unsigned long *rss, unsigned long *swp)

返回类型：void

参数：

类型参数名称
struct ipc_namespace *ns
unsigned long *rss
unsigned long *swp
866  rss等于0
867  swp等于0
869  in_use等于in_use
871  以total小于in_use循环
875  ipc等于dr_find() - Return pointer for given ID
876  如果(ipc == NULL)则继续下一循环
878  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.(ipc, structshmid_kernel, shm_perm)
880  Calculate and add used RSS and swap pages of a shm.* Called with shm_ids.rwsem held as a reader
882  total自加
调用者
名称描述
shmctl_shm_info