Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\e820.c Create Date:2022-07-28 07:43:13
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:e820__range_update

Proto:u64 __init e820__range_update(u64 start, u64 size, enum e820_type old_type, enum e820_type new_type)

Type:u64

Parameter:

TypeParameterName
u64start
u64size
enum e820_typeold_type
enum e820_typenew_type
518  Return __e820__range_update(e820_table, start, size, old_type, new_type)
Caller
NameDescribe
setup_archsetup_arch - architecture-specific boot-time initializations* Note: On x86_64, fixmaps are ready for use even before this is called.
parse_memmap_one
e820__reserve_setup_dataReserve all entries from the bootloader's extensible data nodes list,* because if present we are going to use it later on to fetch e820* entries from it:
real_trim_memory