函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\power\snapshot.c Create Date:2022-07-27 11:00:46
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：memory_bm_clear_current

函数原型：static void memory_bm_clear_current(struct memory_bitmap *bm)

返回类型：void

参数：

类型参数名称
struct memory_bitmap *bm
812  bit等于两数取大(node_bit - 1, 0)
813  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
swsusp_freeswsusp_free - Free pages allocated for hibernation image.* Image pages are alocated before snapshot creation, so they need to be* released after resume.
mark_unsafe_pagesmark_unsafe_pages - Mark pages that were used before hibernation.* Mark the pages that cannot be used for storing the image during restoration,* because they conflict with the pages that had been used before hibernation.