函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\crash_dump_32.c Create Date:2022-07-27 09:37:11
Last Modify:2020-03-12 14:18:49 Copyright©Brick
首页 函数Tree
注解内核,赢得工具下载SCCTEnglish

函数名称：is_crashed_pfn_valid

函数原型：static inline bool is_crashed_pfn_valid(unsigned long pfn)

返回类型：bool

参数：

类型参数名称
unsigned longpfn
28  返回:pte_pfn(pfn_pte(pfn, __pgprot(0)))恒等于pfn
调用者
名称描述
copy_oldmem_pagepy_oldmem_page - copy one page from "oldmem"*@pfn: page frame number to be copied*@buf: target memory address for the copy; this can be in kernel address* space or user address space (see @userbuf)*@csize: number of bytes to copy*@offset: offset in bytes