Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\aperture_64.c Create Date:2022-07-28 08:52:57
Last Modify:2020-03-17 10:38:51 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:exclude_from_core

Proto:static void __init exclude_from_core(u64 aper_base, unsigned int aper_order)

Type:void

Parameter:

TypeParameterName
u64aper_base
unsigned intaper_order
80  If the first kernel maps the aperture over e820 RAM, the kdump kernel will* use the same range because it will remain configured in the northbridge.* Trying to dump this area via /proc/vmcore may crash the machine, so exclude* it from vmcore. = aper_base >> PAGE_SHIFT determines the page size
81  If the first kernel maps the aperture over e820 RAM, the kdump kernel will* use the same range because it will remain configured in the northbridge.* Trying to dump this area via /proc/vmcore may crash the machine, so exclude* it from vmcore. = 32 * 1024 * 1024 << aper_order >> PAGE_SHIFT determines the page size
83  WARN_ON(register_oldmem_pfn_is_ram( & gart_mem_pfn_is_ram))
86  WARN_ON(register_mem_pfn_is_ram( & gart_mem_pfn_is_ram))
Caller
NameDescribe
gart_iommu_hole_init