linux/arch/x86/mm/amdtopology.c

// SPDX-License-Identifier: GPL-2.0
/*
 * AMD NUMA support.
 * Discover the memory map and associated nodes.
 *
 * This version reads it directly from the AMD northbridge.
 *
 * Copyright 2002,2003 Andi Kleen, SuSE Labs.
 */
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/string.h>
#include <linux/nodemask.h>
#include <linux/memblock.h>

#include <asm/io.h>
#include <linux/pci_ids.h>
#include <linux/acpi.h>
#include <asm/types.h>
#include <asm/mmzone.h>
#include <asm/proto.h>
#include <asm/e820/api.h>
#include <asm/pci-direct.h>
#include <asm/numa.h>
#include <asm/mpspec.h>
#include <asm/apic.h>
#include <asm/amd_nb.h>

static unsigned char __initdata nodeids[8];

static __init int find_northbridge(void)
{ … }

int __init amd_numa_init(void)
{ … }