[mirror_ubuntu-zesty-kernel.git] / include / asm-ppc64 / topology.h

#ifndef _ASM_PPC64_TOPOLOGY_H
#define _ASM_PPC64_TOPOLOGY_H

#include <linux/config.h>
#include <asm/mmzone.h>

#ifdef CONFIG_NUMA

static inline int cpu_to_node(int cpu)
{
	int node;

	node = numa_cpu_lookup_table[cpu];

#ifdef DEBUG_NUMA
	BUG_ON(node == -1);
#endif

	return node;
}

#define parent_node(node)	(node)

static inline cpumask_t node_to_cpumask(int node)
{
	return numa_cpumask_lookup_table[node];
}

static inline int node_to_first_cpu(int node)
{
	cpumask_t tmp;
	tmp = node_to_cpumask(node);
	return first_cpu(tmp);
}

#define pcibus_to_cpumask(bus)	(cpu_online_map)

#define nr_cpus_node(node)	(nr_cpus_in_node[node])

/* sched_domains SD_NODE_INIT for PPC64 machines */
#define SD_NODE_INIT (struct sched_domain) {		\
	.span			= CPU_MASK_NONE,	\
	.parent			= NULL,			\
	.groups			= NULL,			\
	.min_interval		= 8,			\
	.max_interval		= 32,			\
	.busy_factor		= 32,			\
	.imbalance_pct		= 125,			\
	.cache_hot_time		= (10*1000000),		\
	.cache_nice_tries	= 1,			\
	.per_cpu_gain		= 100,			\
	.flags			= SD_LOAD_BALANCE	\
				| SD_BALANCE_EXEC	\
				| SD_BALANCE_NEWIDLE	\
				| SD_WAKE_IDLE		\
				| SD_WAKE_BALANCE,	\
	.last_balance		= jiffies,		\
	.balance_interval	= 1,			\
	.nr_balance_failed	= 0,			\
}

#else /* !CONFIG_NUMA */

#include <asm-generic/topology.h>

#endif /* CONFIG_NUMA */

#endif /* _ASM_PPC64_TOPOLOGY_H */
Commit	Line	Data
1da177e4 LT	1	#ifndef _ASM_PPC64_TOPOLOGY_H
	2	#define _ASM_PPC64_TOPOLOGY_H
	3
	4	#include <linux/config.h>
	5	#include <asm/mmzone.h>
	6
	7	#ifdef CONFIG_NUMA
	8
	9	static inline int cpu_to_node(int cpu)
	10	{
	11	int node;
	12
	13	node = numa_cpu_lookup_table[cpu];
	14
	15	#ifdef DEBUG_NUMA
	16	BUG_ON(node == -1);
	17	#endif
	18
	19	return node;
	20	}
	21
	22	#define parent_node(node) (node)
	23
	24	static inline cpumask_t node_to_cpumask(int node)
	25	{
	26	return numa_cpumask_lookup_table[node];
	27	}
	28
	29	static inline int node_to_first_cpu(int node)
	30	{
	31	cpumask_t tmp;
	32	tmp = node_to_cpumask(node);
	33	return first_cpu(tmp);
	34	}
	35
	36	#define pcibus_to_cpumask(bus) (cpu_online_map)
	37
	38	#define nr_cpus_node(node) (nr_cpus_in_node[node])
	39
	40	/* sched_domains SD_NODE_INIT for PPC64 machines */
	41	#define SD_NODE_INIT (struct sched_domain) { \
	42	.span = CPU_MASK_NONE, \
	43	.parent = NULL, \
	44	.groups = NULL, \
	45	.min_interval = 8, \
	46	.max_interval = 32, \
	47	.busy_factor = 32, \
	48	.imbalance_pct = 125, \
	49	.cache_hot_time = (10*1000000), \
	50	.cache_nice_tries = 1, \
	51	.per_cpu_gain = 100, \
	52	.flags = SD_LOAD_BALANCE \
	53	\| SD_BALANCE_EXEC \
	54	\| SD_BALANCE_NEWIDLE \
	55	\| SD_WAKE_IDLE \
	56	\| SD_WAKE_BALANCE, \
	57	.last_balance = jiffies, \
	58	.balance_interval = 1, \
	59	.nr_balance_failed = 0, \
	60	}
	61
	62	#else /* !CONFIG_NUMA */
	63
	64	#include <asm-generic/topology.h>
65
66	#endif /* CONFIG_NUMA */
67
68	#endif /* _ASM_PPC64_TOPOLOGY_H */