函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\swap.c Create Date:2022-07-27 15:36:48
Last Modify:2022-05-23 13:40:24 Copyright©Brick
首页 函数Tree
注解内核,赢得工具下载SCCTEnglish

函数名称：get_kernel_page() - pin a kernel page in memory*@start: starting kernel address*@write: pinning for read/write, currently ignored*@pages: array that receives pointer to the page pinned.* Must be at least nr_segs long.* Returns 1 if page is pinned

函数原型：int get_kernel_page(unsigned long start, int write, struct page **pages)

返回类型：int

参数：

类型参数名称
unsigned longstart
intwrite
struct page **pages
181  const struct kvec kiov = { and that should *never* hold a userland pointer = (void * )start, iov_len = PAGE_SIZE}
186  返回:get_kernel_pages() - pin kernel pages in memory*@kiov: An array of struct kvec structures*@nr_segs: number of segments to pin*@write: pinning for read/write, currently ignored*@pages: array that receives pointers to the pages pinned.