Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\e820.c Create Date:2022-07-28 07:43:04
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:e820__range_add

Proto:void __init e820__range_add(u64 start, u64 size, enum e820_type type)

Type:void

Parameter:

TypeParameterName
u64start
u64size
enum e820_typetype
184  Add a memory region to the kernel E820 map.
Caller
NameDescribe
__append_e820_table
e820__range_removeRemove a range of memory from the E820 table:
parse_memmap_one
e820__memory_setup_defaultPass the firmware (bootloader) E820 map to the kernel and process it:
arch_reserve_mem_area
intel_graphics_stolen
early_gart_iommu_checkWith kexec/kdump, if the first kernel doesn't shut down the GART and the* second kernel allocates a different GART region, there might be two* overlapping GART regions present:* - the first still used by the GART initialized in the first kernel.