函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\huge_mm.h Create Date:2022-07-27 06:44:39
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：pud_trans_huge_lock

函数原型：static inline spinlock_t *pud_trans_huge_lock(pud_t *pud, struct vm_area_struct *vma)

返回类型：spinlock_t

参数：

类型参数名称
pud_t *pud
struct vm_area_struct *vma
227  如果pud_trans_huge( * pud)或pud_devmap( * pud)则返回:Returns true if a given pud maps a thp, false otherwise.* Note that if it returns true, this routine returns without unlocking page* table lock. So callers must unlock it.
229  否则返回:NULL
调用者
名称描述
walk_pud_range