Revision d5dedf99e4ca9860ce8a1dd42db1cb666c360632 authored by Andrew Morton on 05 March 2007, 08:30:04 UTC, committed by Linus Torvalds on 05 March 2007, 15:57:50 UTC
In http://bugzilla.kernel.org/show_bug.cgi?id=8065, Shen points out that the cyclades driver forget to return closing_wait to userspace. Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Shen <shanlu@cs.uiuc.edu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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topology.h
/*
* linux/include/asm-ia64/topology.h
*
* Copyright (C) 2002, Erich Focht, NEC
*
* 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.
*/
#ifndef _ASM_IA64_TOPOLOGY_H
#define _ASM_IA64_TOPOLOGY_H
#include <asm/acpi.h>
#include <asm/numa.h>
#include <asm/smp.h>
#ifdef CONFIG_NUMA
/* Nodes w/o CPUs are preferred for memory allocations, see build_zonelists */
#define PENALTY_FOR_NODE_WITH_CPUS 255
/*
* Distance above which we begin to use zone reclaim
*/
#define RECLAIM_DISTANCE 15
/*
* Returns the number of the node containing CPU 'cpu'
*/
#define cpu_to_node(cpu) (int)(cpu_to_node_map[cpu])
/*
* Returns a bitmask of CPUs on Node 'node'.
*/
#define node_to_cpumask(node) (node_to_cpu_mask[node])
/*
* Returns the number of the node containing Node 'nid'.
* Not implemented here. Multi-level hierarchies detected with
* the help of node_distance().
*/
#define parent_node(nid) (nid)
/*
* Returns the number of the first CPU on Node 'node'.
*/
#define node_to_first_cpu(node) (first_cpu(node_to_cpumask(node)))
/*
* Determines the node for a given pci bus
*/
#define pcibus_to_node(bus) PCI_CONTROLLER(bus)->node
void build_cpu_to_node_map(void);
#define SD_CPU_INIT (struct sched_domain) { \
.span = CPU_MASK_NONE, \
.parent = NULL, \
.child = NULL, \
.groups = NULL, \
.min_interval = 1, \
.max_interval = 4, \
.busy_factor = 64, \
.imbalance_pct = 125, \
.per_cpu_gain = 100, \
.cache_nice_tries = 2, \
.busy_idx = 2, \
.idle_idx = 1, \
.newidle_idx = 2, \
.wake_idx = 1, \
.forkexec_idx = 1, \
.flags = SD_LOAD_BALANCE \
| SD_BALANCE_NEWIDLE \
| SD_BALANCE_EXEC \
| SD_WAKE_AFFINE, \
.last_balance = jiffies, \
.balance_interval = 1, \
.nr_balance_failed = 0, \
}
/* sched_domains SD_NODE_INIT for IA64 NUMA machines */
#define SD_NODE_INIT (struct sched_domain) { \
.span = CPU_MASK_NONE, \
.parent = NULL, \
.child = NULL, \
.groups = NULL, \
.min_interval = 8, \
.max_interval = 8*(min(num_online_cpus(), 32)), \
.busy_factor = 64, \
.imbalance_pct = 125, \
.cache_nice_tries = 2, \
.busy_idx = 3, \
.idle_idx = 2, \
.newidle_idx = 0, /* unused */ \
.wake_idx = 1, \
.forkexec_idx = 1, \
.per_cpu_gain = 100, \
.flags = SD_LOAD_BALANCE \
| SD_BALANCE_EXEC \
| SD_BALANCE_FORK \
| SD_SERIALIZE \
| SD_WAKE_BALANCE, \
.last_balance = jiffies, \
.balance_interval = 64, \
.nr_balance_failed = 0, \
}
#endif /* CONFIG_NUMA */
#ifdef CONFIG_SMP
#define topology_physical_package_id(cpu) (cpu_data(cpu)->socket_id)
#define topology_core_id(cpu) (cpu_data(cpu)->core_id)
#define topology_core_siblings(cpu) (cpu_core_map[cpu])
#define topology_thread_siblings(cpu) (cpu_sibling_map[cpu])
#define smt_capable() (smp_num_siblings > 1)
#endif
#include <asm-generic/topology.h>
#endif /* _ASM_IA64_TOPOLOGY_H */
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