函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\page_poison.c Create Date:2022-07-27 17:15:45
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：poison_page

函数原型：static void poison_page(struct page *page)

返回类型：void

参数：

类型参数名称
struct page *page
42  addr等于kmap_atomic(page)
45  Disable reporting bugs for current task
46  memset(addr, PAGE_POISON, PAGE_SIZE)
47  Enable reporting bugs after kasan_disable_current()
48  Prevent people trying to call kunmap_atomic() as if it were kunmap()* kunmap_atomic() should get the return value of kmap_atomic, not the page.(addr)
调用者
名称描述
poison_pages