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 16:46:52
Last Modify:2020-03-17 22:19:49 Copyright©Brick
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函数名称：cluster_list_empty

函数原型：static inline bool cluster_list_empty(struct swap_cluster_list *list)

返回类型：bool

参数：

类型参数名称
struct swap_cluster_list *list
386  返回:cluster_is_null( & head)
调用者
名称描述
cluster_list_add_tail
swap_do_scheduled_discardDoing discard actually. After a cluster discard is finished, the cluster* will be added to free cluster list. caller should hold si->lock.
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.
scan_swap_map_try_ssd_clusterTry to get a swap entry from current cpu's swap entry pool (a cluster). This* might involve allocating a new cluster for current CPU too.
swap_alloc_cluster