函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\mapping_dirty_helpers.c Create Date:2022-07-27 18:13:38
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：wp_clean_pmd_entry - The pagewalk pmd callback.

函数原型：static int wp_clean_pmd_entry(pmd_t *pmd, unsigned long addr, unsigned long end, struct mm_walk *walk)

返回类型：int

参数：

类型参数名称
pmd_t *pmd
unsigned longaddr
unsigned longend
struct mm_walk *walk
119  pmdval等于pmd_read_atomic(pmd)
121  如果pmd_trans_huge(pmdval)或pmd_devmap(pmdval)则WARN_ON(pmd_write(pmdval) || pmd_dirty(pmdval))
124  返回:0