Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\swapfile.c Create Date:2022-07-28 15:16:27
Last Modify:2020-03-17 22:19:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:cluster_set_null

Proto:static inline void cluster_set_null(struct swap_cluster_info *info)

Type:void

Parameter:

TypeParameterName
struct swap_cluster_info *info
322  flags = This cluster has no next cluster
323  data = 0
Caller
NameDescribe
cluster_list_init
cluster_list_del_first
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.
SYSCALL_DEFINE2