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 06:40:09
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：TestClearPageUnevictable

函数原型：static inline __attribute__((__always_inline__)) int TestClearPageUnevictable(struct page *page)

返回类型：int

参数：

类型参数名称
struct page *page
396  返回:st_and_clear_bit - Clear a bit and return its old value*@nr: Bit to clear*@addr: Address to count from* This is an atomic fully-ordered operation (implied full memory barrier).
调用者
名称描述
__pagevec_lru_add_fn
__putback_lru_fast_preparePrepare page for fast batched LRU putback via putback_lru_evictable_pagevec()* The fast path is available only for evictable pages with single mapping.* Then we can bypass the per-cpu pvec and get better performance.
migrate_page_statesCopy the page to its new location