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File: [Development] / linux-2.6-xfs / include / asm-x86_64 / Attic / topology.h (download)

Revision 1.4, Mon Aug 16 03:52:41 2004 UTC (13 years, 2 months ago) by nathans
Branch: MAIN
Changes since 1.3: +4 -2 lines 

Merge up to 2.6.8.1

#ifndef _ASM_X86_64_TOPOLOGY_H
#define _ASM_X86_64_TOPOLOGY_H

#include <linux/config.h>

#ifdef CONFIG_DISCONTIGMEM

#include <asm/mpspec.h>
#include <asm/bitops.h>

/* Map the K8 CPU local memory controllers to a simple 1:1 CPU:NODE topology */

extern cpumask_t cpu_online_map;

extern unsigned char cpu_to_node[];
extern cpumask_t     node_to_cpumask[];

#define cpu_to_node(cpu)		(cpu_to_node[cpu])
#define parent_node(node)		(node)
#define node_to_first_cpu(node) 	(__ffs(node_to_cpumask[node]))
#define node_to_cpumask(node)		(node_to_cpumask[node])

static inline cpumask_t pcibus_to_cpumask(int bus)
{
	cpumask_t res;
	cpus_and(res,  pci_bus_to_cpumask[bus], cpu_online_map);
	return res;
}

#define NODE_BALANCE_RATE 30	/* CHECKME */ 

#endif

#include <asm-generic/topology.h>

#endif