Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\dma\swiotlb.c Create Date:2022-07-28 10:35:52
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:swiotlb_set_max_segment

Proto:void swiotlb_set_max_segment(unsigned int val)

Type:void

Parameter:

TypeParameterName
unsigned intval
148  If (swiotlb_force == swiotlb=force ) Then Max segment that we can provide which (if pages are contingous) will* not be bounced (unless SWIOTLB_FORCE is set). = 1
150  Else Max segment that we can provide which (if pages are contingous) will* not be bounced (unless SWIOTLB_FORCE is set). = unddown - round down to next specified multiple*@x: the value to round*@y: multiple to round down to* Rounds @x down to next multiple of @y. If @y will always be a power* of 2, consider using the faster round_down().(val, PAGE_SIZE)
Caller
NameDescribe
swiotlb_init_with_tbl
swiotlb_late_init_with_tbl