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：memcpy_to_page

函数原型：static void memcpy_to_page(struct page *page, size_t offset, const char *from, size_t len)

返回类型：void

参数：

类型参数名称
struct page *page
size_toffset
const char *from
size_tlen
470  to等于kmap_atomic(page)
471  内存复制(to + offset, from, len)
472  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.(to)
调用者
名称描述
copy_pipe_to_iter
_copy_to_iter