topology.h File Reference

#include <linux/cpumask.h>
#include <linux/bitops.h>
#include <linux/mmzone.h>
#include <linux/smp.h>
#include <linux/percpu.h>
#include <asm/topology.h>

Go to the source code of this file.

Macros
#define	node_has_online_mem(nid)   (1)
#define	nr_cpus_node(node)   cpumask_weight(cpumask_of_node(node))
#define	for_each_node_with_cpus(node)
#define	LOCAL_DISTANCE   10
#define	REMOTE_DISTANCE   20
#define	node_distance(from, to)   ((from) == (to) ? LOCAL_DISTANCE : REMOTE_DISTANCE)
#define	RECLAIM_DISTANCE   30
#define	PENALTY_FOR_NODE_WITH_CPUS   (1)
#define	SD_CPU_INIT
#define	topology_physical_package_id(cpu)   ((void)(cpu), -1)
#define	topology_core_id(cpu)   ((void)(cpu), 0)
#define	topology_thread_cpumask(cpu)   cpumask_of(cpu)
#define	topology_core_cpumask(cpu)   cpumask_of(cpu)

Functions
int	arch_update_cpu_topology (void)

Macro Definition Documentation

#define for_each_node_with_cpus

(

node

)

Value:

for_each_online_node(node)          \
        if (nr_cpus_node(node))

Definition at line 45 of file topology.h.

#define LOCAL_DISTANCE   10

Definition at line 52 of file topology.h.

#define node_distance	(		from,
			to
	)		((from) == (to) ? LOCAL_DISTANCE : REMOTE_DISTANCE)

Definition at line 55 of file topology.h.

#define node_has_online_mem

(

nid

)

(1)

Definition at line 38 of file topology.h.

#define nr_cpus_node

(

node

)

cpumask_weight(cpumask_of_node(node))

Definition at line 42 of file topology.h.

#define PENALTY_FOR_NODE_WITH_CPUS   (1)

Definition at line 66 of file topology.h.

#define RECLAIM_DISTANCE   30

Definition at line 63 of file topology.h.

#define REMOTE_DISTANCE   20

Definition at line 53 of file topology.h.

#define SD_CPU_INIT

Value:

(struct sched_domain) {             \
    .min_interval       = 1,                    \
    .max_interval       = 4,                    \
    .busy_factor        = 64,                   \
    .imbalance_pct      = 125,                  \
    .cache_nice_tries   = 1,                    \
    .busy_idx       = 2,                    \
    .idle_idx       = 1,                    \
    .newidle_idx        = 0,                    \
    .wake_idx       = 0,                    \
    .forkexec_idx       = 0,                    \
                                    \
    .flags          = 1*SD_LOAD_BALANCE         \
                | 1*SD_BALANCE_NEWIDLE          \
                | 1*SD_BALANCE_EXEC         \
                | 1*SD_BALANCE_FORK         \
                | 0*SD_BALANCE_WAKE         \
                | 1*SD_WAKE_AFFINE          \
                | 0*SD_SHARE_CPUPOWER           \
                | 0*SD_SHARE_PKG_RESOURCES      \
                | 0*SD_SERIALIZE            \
                | 1*SD_PREFER_SIBLING           \
                ,                   \
    .last_balance       = jiffies,              \
    .balance_interval   = 1,                    \
}

Definition at line 144 of file topology.h.

#define topology_core_cpumask

(

cpu

)

cpumask_of(cpu)

Definition at line 289 of file topology.h.

#define topology_core_id

(

cpu

)

((void)(cpu), 0)

Definition at line 283 of file topology.h.

#define topology_physical_package_id

(

cpu

)

((void)(cpu), -1)

Definition at line 280 of file topology.h.

#define topology_thread_cpumask

(

cpu

)

cpumask_of(cpu)

Definition at line 286 of file topology.h.

Function Documentation

int arch_update_cpu_topology

(

void

)

Definition at line 256 of file topology.c.