函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\vmalloc.c Create Date:2022-07-27 16:27:29
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：vmap_pmd_range

函数原型：static int vmap_pmd_range(pud_t *pud, unsigned long addr, unsigned long end, pgprot_t prot, struct page **pages, int *nr)

返回类型：int

参数：

类型参数名称
pud_t *pud
unsigned longaddr
unsigned longend
pgprot_tprot
struct page **pages
int *nr
169  pmd等于pmd_alloc( & init_mm, pud, addr)
170  如果非pmd则返回:负ENOMEM
172  循环
173  next等于pmd_addr_end(addr, end)
174  如果vmap_pte_range(pmd, addr, next, prot, pages, nr)则返回:负ENOMEM
176  当pmd自加, addr等于next, addr不等于end循环
177  返回:0
调用者
名称描述
vmap_pud_range