函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\page-flags.h Create Date:2022-07-27 06:40:03
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：__ClearPageWaiters

函数原型：static inline __attribute__((__always_inline__)) void __ClearPageWaiters(struct page *page)

返回类型：void

参数：

类型参数名称
struct page *page
313  __clear_bit - Clears a bit in memory*@nr: the bit to clear*@addr: the address to start counting from* Unlike clear_bit(), this function is non-atomic. If it is called on the same* region of memory concurrently, the effect may be that only one operation
调用者
名称描述
__page_cache_releaseThis path almost never happens for VM activity - pages are normally* freed via pagevecs. But it gets used by networking.
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.