Function report |
Source Code:arch\x86\kernel\e820.c |
Create Date:2022-07-28 07:43:20 |
| Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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| Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:Because of the small fixed size of struct boot_params, only the first* 128 E820 memory entries are passed to the kernel via boot_params.e820_table,* the remaining (if any) entries are passed via the SETUP_E820_EXT node of
Proto:void __init e820__memory_setup_extended(u64 phys_addr, unsigned int data_len)
Type:void
Parameter:
| Type | Parameter | Name |
|---|---|---|
| u64 | phys_addr | |
| unsigned int | data_len |
| 716 | sdata = early_memremap(phys_addr, data_len) |
| 720 | __append_e820_table(extmap, entries) |
| 723 | memcpy(e820_table_kexec, e820_table, size of e820_table_kexec ) |
| 724 | memcpy(e820_table_firmware, e820_table, size of e820_table_firmware ) |
| 726 | early_memunmap(sdata, data_len) |
| 727 | pr_info("extended physical RAM map:\n") |
| 728 | e820__print_table("extended") |
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