Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\swapfile.c Create Date:2022-07-28 15:16:39
Last Modify:2020-03-17 22:19:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:alloc_cluster

Proto:static void alloc_cluster(struct swap_info_struct *si, unsigned long idx)

Type:void

Parameter:

TypeParameterName
struct swap_info_struct *si
unsigned longidx
505  ci = cluster info. Only for SSD
507  VM_BUG_ON(cluster_list_first( & clusters list ) != idx)
508  cluster_list_del_first( & clusters list , ci)
509  cluster_set_count_flag(ci + idx, 0, 0)
Caller
NameDescribe
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.
swap_alloc_cluster