Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\e820.c Create Date:2022-07-28 07:43:35
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:Calls e820__memory_setup_default() in essence to pick up the firmware/bootloader* E820 map - with an optional platform quirk available for virtual platforms* to override this method of boot environment processing:

Proto:void __init e820__memory_setup(void)

Type:void

Parameter:Nothing

1270  BUILD_BUG_ON - break compile if a condition is true(sizeof(structboot_e820_entry) != 20)
1272  who = memory_setup()
1274  memcpy(e820_table_kexec, e820_table, size of e820_table_kexec )
1275  memcpy(e820_table_firmware, e820_table, size of e820_table_firmware )
1277  pr_info("BIOS-provided physical RAM map:\n")
1278  e820__print_table(who)