函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\cpu\mtrr\mtrr.c Create Date:2022-07-27 09:05:24
Last Modify:2022-05-18 17:35:08 Copyright©Brick
首页 函数Tree
注解内核,赢得工具下载SCCTEnglish

函数名称：mtrr_add - Add a memory type region*@base: Physical base address of region*@size: Physical size of region*@type: Type of MTRR desired*@increment: If this is true do usage counting on the region* Memory type region registers control the caching on newer

函数原型：int mtrr_add(unsigned long base, unsigned long size, unsigned int type, bool increment)

返回类型：int

参数：

类型参数名称
unsigned longbase
unsigned longsize
unsigned inttype
boolincrement
456  如果非mtrr_enabled()则返回:负ENODEV
458  如果mtrr_check(base, size)则返回:负EINVAL
460  返回:mtrr_add_page - Add a memory type region*@base: Physical base address of region in pages (in units of 4 kB!)*@size: Physical size of region in pages (4 kB)*@type: Type of MTRR desired*@increment: If this is true do usage counting on the region* Memory
调用者
名称描述
arch_phys_wc_addarch_phys_wc_add - add a WC MTRR and handle errors if PAT is unavailable*@base: Physical base address*@size: Size of region* If PAT is available, this does nothing
mtrr_ioctl