Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\frontswap.c Create Date:2022-07-28 15:21:21
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:__frontswap_clear

Proto:static inline void __frontswap_clear(struct swap_info_struct *sis, unsigned long offset)

Type:void

Parameter:

TypeParameterName
struct swap_info_struct *sis
unsigned longoffset
234  lear_bit - Clears a bit in memory*@nr: Bit to clear*@addr: Address to start counting from* This is a relaxed atomic operation (no implied memory barriers).
235  atomic_dec( & swap pages in-use counter )
Caller
NameDescribe
__frontswap_store"Store" data from a page to frontswap and associate it with the page's* swaptype and offset
__frontswap_load"Get" data from frontswap associated with swaptype and offset that were* specified when the data was put to frontswap and use it to fill the* specified page with data. Page must be locked and in the swap cache.
__frontswap_invalidate_pageInvalidate any data from frontswap associated with the specified swaptype* and offset so that a subsequent "get" will fail.