函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\swapfile.c Create Date:2022-07-27 16:46:48
Last Modify:2020-03-17 22:19:49 Copyright©Brick
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函数名称：cluster_is_free

函数原型：static inline bool cluster_is_free(struct swap_cluster_info *info)

返回类型：bool

参数：

类型参数名称
struct swap_cluster_info *info
312  返回:flags按位与This cluster is free
调用者
名称描述
inc_cluster_info_pageThe cluster corresponding to page_nr will be used. The cluster will be* removed from free cluster list and its usage counter will be increased.
scan_swap_map_ssd_cluster_conflictIt's possible scan_swap_map() uses a free cluster in the middle of free* cluster list. Avoiding such abuse to avoid list corruption.