函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\rmap.h Create Date:2022-07-27 09:55:07
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：get_anon_vma

函数原型：static inline void get_anon_vma(struct anon_vma *anon_vma)

返回类型：void

参数：

类型参数名称
struct anon_vma *anon_vma
107  atomic_inc( & The refcount is taken on an anon_vma when there is no* guarantee that the vma of page tables will exist for* the duration of the operation. A caller that takes* the reference is responsible for clearing up the* anon_vma if they are the last user on release)
调用者
名称描述
anon_vma_forkAttach vma to its own anon_vma, as well as to the anon_vmas that* the corresponding VMA in the parent process is attached to.* Returns 0 on success, non-zero on failure.
try_to_merge_with_ksm_pagery_to_merge_with_ksm_page - like try_to_merge_two_pages,* but no new kernel page is allocated: kpage must already be a ksm page.* This function returns 0 if the pages were merged, -EFAULT otherwise.