diff options
Diffstat (limited to 'ANDROID_3.4.5/include/linux/topology.h')
-rw-r--r-- | ANDROID_3.4.5/include/linux/topology.h | 335 |
1 files changed, 0 insertions, 335 deletions
diff --git a/ANDROID_3.4.5/include/linux/topology.h b/ANDROID_3.4.5/include/linux/topology.h deleted file mode 100644 index e26db031..00000000 --- a/ANDROID_3.4.5/include/linux/topology.h +++ /dev/null @@ -1,335 +0,0 @@ -/* - * include/linux/topology.h - * - * Written by: Matthew Dobson, IBM Corporation - * - * Copyright (C) 2002, IBM Corp. - * - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or - * NON INFRINGEMENT. See the GNU General Public License for more - * details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * - * Send feedback to <colpatch@us.ibm.com> - */ -#ifndef _LINUX_TOPOLOGY_H -#define _LINUX_TOPOLOGY_H - -#include <linux/cpumask.h> -#include <linux/bitops.h> -#include <linux/mmzone.h> -#include <linux/smp.h> -#include <linux/percpu.h> -#include <asm/topology.h> - -#ifndef node_has_online_mem -#define node_has_online_mem(nid) (1) -#endif - -#ifndef nr_cpus_node -#define nr_cpus_node(node) cpumask_weight(cpumask_of_node(node)) -#endif - -#define for_each_node_with_cpus(node) \ - for_each_online_node(node) \ - if (nr_cpus_node(node)) - -int arch_update_cpu_topology(void); - -/* Conform to ACPI 2.0 SLIT distance definitions */ -#define LOCAL_DISTANCE 10 -#define REMOTE_DISTANCE 20 -#ifndef node_distance -#define node_distance(from,to) ((from) == (to) ? LOCAL_DISTANCE : REMOTE_DISTANCE) -#endif -#ifndef RECLAIM_DISTANCE -/* - * If the distance between nodes in a system is larger than RECLAIM_DISTANCE - * (in whatever arch specific measurement units returned by node_distance()) - * then switch on zone reclaim on boot. - */ -#define RECLAIM_DISTANCE 30 -#endif -#ifndef PENALTY_FOR_NODE_WITH_CPUS -#define PENALTY_FOR_NODE_WITH_CPUS (1) -#endif - -/* - * Below are the 3 major initializers used in building sched_domains: - * SD_SIBLING_INIT, for SMT domains - * SD_CPU_INIT, for SMP domains - * SD_NODE_INIT, for NUMA domains - * - * Any architecture that cares to do any tuning to these values should do so - * by defining their own arch-specific initializer in include/asm/topology.h. - * A definition there will automagically override these default initializers - * and allow arch-specific performance tuning of sched_domains. - * (Only non-zero and non-null fields need be specified.) - */ - -#ifdef CONFIG_SCHED_SMT -/* MCD - Do we really need this? It is always on if CONFIG_SCHED_SMT is, - * so can't we drop this in favor of CONFIG_SCHED_SMT? - */ -#define ARCH_HAS_SCHED_WAKE_IDLE -/* Common values for SMT siblings */ -#ifndef SD_SIBLING_INIT -#define SD_SIBLING_INIT (struct sched_domain) { \ - .min_interval = 1, \ - .max_interval = 2, \ - .busy_factor = 64, \ - .imbalance_pct = 110, \ - \ - .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 \ - | 1*SD_SHARE_CPUPOWER \ - | 0*SD_POWERSAVINGS_BALANCE \ - | 1*SD_SHARE_PKG_RESOURCES \ - | 0*SD_SERIALIZE \ - | 0*SD_PREFER_SIBLING \ - | arch_sd_sibling_asym_packing() \ - , \ - .last_balance = jiffies, \ - .balance_interval = 1, \ - .smt_gain = 1178, /* 15% */ \ -} -#endif -#endif /* CONFIG_SCHED_SMT */ - -#ifdef CONFIG_SCHED_MC -/* Common values for MC siblings. for now mostly derived from SD_CPU_INIT */ -#ifndef SD_MC_INIT -#define SD_MC_INIT (struct sched_domain) { \ - .min_interval = 1, \ - .max_interval = 4, \ - .busy_factor = 64, \ - .imbalance_pct = 125, \ - .cache_nice_tries = 1, \ - .busy_idx = 2, \ - .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_PREFER_LOCAL \ - | 0*SD_SHARE_CPUPOWER \ - | 1*SD_SHARE_PKG_RESOURCES \ - | 0*SD_SERIALIZE \ - | sd_balance_for_mc_power() \ - | sd_power_saving_flags() \ - , \ - .last_balance = jiffies, \ - .balance_interval = 1, \ -} -#endif -#endif /* CONFIG_SCHED_MC */ - -/* Common values for CPUs */ -#ifndef SD_CPU_INIT -#define SD_CPU_INIT (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_PREFER_LOCAL \ - | 0*SD_SHARE_CPUPOWER \ - | 0*SD_SHARE_PKG_RESOURCES \ - | 0*SD_SERIALIZE \ - | sd_balance_for_package_power() \ - | sd_power_saving_flags() \ - , \ - .last_balance = jiffies, \ - .balance_interval = 1, \ -} -#endif - -/* sched_domains SD_ALLNODES_INIT for NUMA machines */ -#define SD_ALLNODES_INIT (struct sched_domain) { \ - .min_interval = 64, \ - .max_interval = 64*num_online_cpus(), \ - .busy_factor = 128, \ - .imbalance_pct = 133, \ - .cache_nice_tries = 1, \ - .busy_idx = 3, \ - .idle_idx = 3, \ - .flags = 1*SD_LOAD_BALANCE \ - | 1*SD_BALANCE_NEWIDLE \ - | 0*SD_BALANCE_EXEC \ - | 0*SD_BALANCE_FORK \ - | 0*SD_BALANCE_WAKE \ - | 0*SD_WAKE_AFFINE \ - | 0*SD_SHARE_CPUPOWER \ - | 0*SD_POWERSAVINGS_BALANCE \ - | 0*SD_SHARE_PKG_RESOURCES \ - | 1*SD_SERIALIZE \ - | 0*SD_PREFER_SIBLING \ - , \ - .last_balance = jiffies, \ - .balance_interval = 64, \ -} - -#ifndef SD_NODES_PER_DOMAIN -#define SD_NODES_PER_DOMAIN 16 -#endif - -#ifdef CONFIG_SCHED_BOOK -#ifndef SD_BOOK_INIT -#error Please define an appropriate SD_BOOK_INIT in include/asm/topology.h!!! -#endif -#endif /* CONFIG_SCHED_BOOK */ - -#ifdef CONFIG_NUMA -#ifndef SD_NODE_INIT -#error Please define an appropriate SD_NODE_INIT in include/asm/topology.h!!! -#endif - -#endif /* CONFIG_NUMA */ - -#ifdef CONFIG_USE_PERCPU_NUMA_NODE_ID -DECLARE_PER_CPU(int, numa_node); - -#ifndef numa_node_id -/* Returns the number of the current Node. */ -static inline int numa_node_id(void) -{ - return __this_cpu_read(numa_node); -} -#endif - -#ifndef cpu_to_node -static inline int cpu_to_node(int cpu) -{ - return per_cpu(numa_node, cpu); -} -#endif - -#ifndef set_numa_node -static inline void set_numa_node(int node) -{ - percpu_write(numa_node, node); -} -#endif - -#ifndef set_cpu_numa_node -static inline void set_cpu_numa_node(int cpu, int node) -{ - per_cpu(numa_node, cpu) = node; -} -#endif - -#else /* !CONFIG_USE_PERCPU_NUMA_NODE_ID */ - -/* Returns the number of the current Node. */ -#ifndef numa_node_id -static inline int numa_node_id(void) -{ - return cpu_to_node(raw_smp_processor_id()); -} -#endif - -#endif /* [!]CONFIG_USE_PERCPU_NUMA_NODE_ID */ - -#ifdef CONFIG_HAVE_MEMORYLESS_NODES - -/* - * N.B., Do NOT reference the '_numa_mem_' per cpu variable directly. - * It will not be defined when CONFIG_HAVE_MEMORYLESS_NODES is not defined. - * Use the accessor functions set_numa_mem(), numa_mem_id() and cpu_to_mem(). - */ -DECLARE_PER_CPU(int, _numa_mem_); - -#ifndef set_numa_mem -static inline void set_numa_mem(int node) -{ - percpu_write(_numa_mem_, node); -} -#endif - -#ifndef numa_mem_id -/* Returns the number of the nearest Node with memory */ -static inline int numa_mem_id(void) -{ - return __this_cpu_read(_numa_mem_); -} -#endif - -#ifndef cpu_to_mem -static inline int cpu_to_mem(int cpu) -{ - return per_cpu(_numa_mem_, cpu); -} -#endif - -#ifndef set_cpu_numa_mem -static inline void set_cpu_numa_mem(int cpu, int node) -{ - per_cpu(_numa_mem_, cpu) = node; -} -#endif - -#else /* !CONFIG_HAVE_MEMORYLESS_NODES */ - -#ifndef numa_mem_id -/* Returns the number of the nearest Node with memory */ -static inline int numa_mem_id(void) -{ - return numa_node_id(); -} -#endif - -#ifndef cpu_to_mem -static inline int cpu_to_mem(int cpu) -{ - return cpu_to_node(cpu); -} -#endif - -#endif /* [!]CONFIG_HAVE_MEMORYLESS_NODES */ - -#ifndef topology_physical_package_id -#define topology_physical_package_id(cpu) ((void)(cpu), -1) -#endif -#ifndef topology_core_id -#define topology_core_id(cpu) ((void)(cpu), 0) -#endif -#ifndef topology_thread_cpumask -#define topology_thread_cpumask(cpu) cpumask_of(cpu) -#endif -#ifndef topology_core_cpumask -#define topology_core_cpumask(cpu) cpumask_of(cpu) -#endif - -#endif /* _LINUX_TOPOLOGY_H */ |