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
首页 函数Tree
注解内核,赢得工具下载SCCTEnglish

函数名称:is_huge_zero_page

函数原型:static inline bool is_huge_zero_page(struct page *page)

返回类型:bool

参数:

类型参数名称
struct page *page
250  返回:READ_ONCE(huge_zero_page)恒等于page
调用者
名称描述
release_pageslease_pages - batched put_page()*@pages: array of pages to release*@nr: number of pages* Decrement the reference count on all the pages in @pages. If it* fell to zero, remove the page from the LRU and free it.
follow_pmd_mask
put_pagePerform a free_page(), also freeing any swap cache associated with* this page if it is the last user of the page.
queue_pages_pmdqueue_pages_pmd() has four possible return values:* 0 - pages are placed on the right node or queued successfully
do_huge_pmd_numa_pageNUMA hinting page fault entry point for trans huge pmds
split_huge_page_to_listThis function splits huge page into normal pages. @page can point to any* subpage of huge page to split. Split doesn't change the position of @page.* Only caller must hold pin on the @page, otherwise split fails with -EBUSY.* The huge page must be locked.
is_huge_zero_pmd