Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\amd_gart_64.c Create Date:2022-07-28 08:52:14
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:free_iommu

Proto:static void free_iommu(unsigned long offset, int size)

Type:void

Parameter:

TypeParameterName
unsigned longoffset
intsize
130  spin_lock_irqsave( & Allocation bitmap for the remapping area: , flags)
131  bitmap_clear(Guarded by iommu_bitmap_lock: , offset, size)
132  If offset >= protected by iommu_bitmap_lock Then protected by iommu_bitmap_lock = offset + size
134  spin_unlock_irqrestore( & Allocation bitmap for the remapping area: , flags)
Caller
NameDescribe
gart_unmap_pageFree a DMA mapping.