pmd_write

函数名称：pmd_write

函数原型：static inline int pmd_write(pmd_t pmd)

返回类型：int

参数：

类型	参数	名称
pmd_t	pmd

1178

返回:pmd_flags(pmd)按位与_PAGE_RW

**调用者**
名称	描述
__handle_mm_fault	By the time we get here, we already hold the mm semaphore* The mmap_sem may have been released depending on flags and our* return value. See filemap_fault() and __lock_page_or_retry().
follow_devmap_pmd
can_follow_write_pmd	FOLL_FORCE can write to even unwritable pmd's, but only* after we've gone through a COW cycle and they are dirty.
change_huge_pmd	Returns* - 0 if PMD could not be locked* - 1 if PMD was locked but protections unchange and TLB flush unnecessary* - HPAGE_PMD_NR is protections changed and TLB flush necessary
__split_huge_pmd_locked
pmd_to_hmm_pfn_flags
wp_clean_pmd_entry	wp_clean_pmd_entry - The pagewalk pmd callback.

源代码转换工具开放的插件接口	X
支持：c/c++/esqlc/java Oracle/Informix/Mysql 插件可实现：逻辑报告代码生成和批量转换代码