Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\dma\debug.c Create Date:2022-07-28 10:34:38
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:active_cacheline_read_overlap

Proto:static int active_cacheline_read_overlap(phys_addr_t cln)

Type:int

Parameter:

TypeParameterName
phys_addr_tcln
462  overlap = 0
464  When i >= 0 cycle If adix_tree_tag_get - get a tag on a radix tree node*@root: radix tree root*@index: index key*@tag: tag index (< RADIX_TREE_MAX_TAGS)* Return values:* 0: tag not present or not set* 1: tag set* Note that the return value of this function may not be relied Then
466  overlap |= 1 << i
467  Return overlap
Caller
NameDescribe
active_cacheline_inc_overlap
active_cacheline_dec_overlap