函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\percpu-vm.c Create Date:2022-07-27 15:51:23
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称:__pcpu_unmap_pages

函数原型:static void __pcpu_unmap_pages(unsigned long addr, int nr_pages)

返回类型:void

参数:

类型参数名称
unsigned longaddr
intnr_pages
136  unmap_kernel_range_noflush(addr, nr_pages << PAGE_SHIFT determines the page size )
调用者
名称描述
pcpu_unmap_pagespcpu_unmap_pages - unmap pages out of a pcpu_chunk*@chunk: chunk of interest*@pages: pages array which can be used to pass information to free*@page_start: page index of the first page to unmap*@page_end: page index of the last page to unmap + 1
pcpu_map_pagespcpu_map_pages - map pages into a pcpu_chunk*@chunk: chunk of interest*@pages: pages array containing pages to be mapped*@page_start: page index of the first page to map*@page_end: page index of the last page to map + 1