函数逻辑报告

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Brick Technologies Co., Ltd

Source Code:include\asm-generic\pgtable.h Create Date:2022-07-27 06:58:59
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：See pmd_none_or_trans_huge_or_clear_bad for discussion.

函数原型：static inline int pud_none_or_trans_huge_or_dev_or_clear_bad(pud_t *pud)

返回类型：int

参数：

类型参数名称
pud_t *pud
944  pudval等于READ_ONCE( * pud)
946  如果The "pud_xxx()" functions here are trivial for a folded two-level* setup: the pmd is never bad, and a pmd always exists (as it's folded* into the pud entry)或pud_trans_huge(pudval)或pud_devmap(pudval)则返回:1
948  如果此条件成立可能性小(为编译器优化)(pud_bad(pudval))则
949  pud_clear_bad(pud)
950  返回:1
952  返回:0