Function report |
Source Code:mm\swapfile.c |
Create Date:2022-07-28 15:16:29 |
Last Modify:2020-03-17 22:19:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:lock_cluster
Proto:static inline struct swap_cluster_info *lock_cluster(struct swap_info_struct *si, unsigned long offset)
Type:struct swap_cluster_info
Parameter:
Type | Parameter | Name |
---|---|---|
struct swap_info_struct * | si | |
unsigned long | offset |
343 | ci = cluster info. Only for SSD |
344 | If ci Then |
345 | ci += offset / SWAPFILE_CLUSTER |
348 | Return ci |
Name | Describe |
---|---|
lock_cluster_or_swap_info | Determine the locking method in use for this device. Return* swap_cluster_info if SSD-style cluster-based locking is in place. |
swap_do_scheduled_discard | Doing 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_try_ssd_cluster | Try 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. |
scan_swap_map_slots | |
swap_alloc_cluster | |
swap_free_cluster | |
swap_entry_free | |
page_trans_huge_map_swapcount | |
add_swap_count_continuation | add_swap_count_continuation - called when a swap count is duplicated* beyond SWAP_MAP_MAX, it allocates a new page and links that to the entry's* page of the original vmalloc'ed swap_map, to hold the continuation count |
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