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 06:40:10
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：ClearPageUptodate

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

返回类型：void

参数：

类型参数名称
struct page *page
530  lear_bit - Clears a bit in memory*@nr: Bit to clear*@addr: Address to start counting from* This is a relaxed atomic operation (no implied memory barriers).
调用者
名称描述
page_endioAfter completing I/O on a page, call this routine to update the page* flags appropriately
end_swap_bio_read
me_swapcache_dirtyClean and dirty swap cache.* Dirty swap cache page is tricky to handle. The page could live both in page* cache and swap cache(ie. page is freshly swapped in). So it could be* referenced concurrently by 2 types of PTEs:* normal PTEs and swap PTEs
iomap_read_page_end_io
iomap_writepage_mapWe implement an immediate ioend submission policy here to avoid needing to* chain multiple ioends and hence nest mempool allocations which can violate* forward progress guarantees we need to provide