函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:lib\iov_iter.c Create Date:2022-07-27 07:18:10
Last Modify:2022-05-21 11:43:54 Copyright©Brick
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函数名称：memzero_page

函数原型：static void memzero_page(struct page *page, size_t offset, size_t len)

返回类型：void

参数：

类型参数名称
struct page *page
size_toffset
size_tlen
477  addr等于kmap_atomic(page)
478  memset(addr + offset, 0, len)
479  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
pipe_zero
iov_iter_zero