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Merge branch 'cpus4096-for-linus-3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

Browse Source 
* 'cpus4096-for-linus-3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (77 commits)
  x86: setup_per_cpu_areas() cleanup
  cpumask: fix compile error when CONFIG_NR_CPUS is not defined
  cpumask: use alloc_cpumask_var_node where appropriate
  cpumask: convert shared_cpu_map in acpi_processor* structs to cpumask_var_t
  x86: use cpumask_var_t in acpi/boot.c
  x86: cleanup some remaining usages of NR_CPUS where s/b nr_cpu_ids
  sched: put back some stack hog changes that were undone in kernel/sched.c
  x86: enable cpus display of kernel_max and offlined cpus
  ia64: cpumask fix for is_affinity_mask_valid()
  cpumask: convert RCU implementations, fix
  xtensa: define __fls
  mn10300: define __fls
  m32r: define __fls
  h8300: define __fls
  frv: define __fls
  cris: define __fls
  cpumask: CONFIG_DISABLE_OBSOLETE_CPUMASK_FUNCTIONS
  cpumask: zero extra bits in alloc_cpumask_var_node
  cpumask: replace for_each_cpu_mask_nr with for_each_cpu in kernel/time/
  cpumask: convert mm/
  ...
This commit is contained in:
Linus Torvalds
2009-01-03 12:04:39 -08:00
parent 269b012321 ab14398abd
commit 7d3b56ba37
112 changed files with 1286 additions and 879 deletions
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53
kernel/sched.c
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@@ -3715,7 +3715,7 @@ redo:
* don't kick the migration_thread, if the curr
* task on busiest cpu can't be moved to this_cpu
*/
if (!cpu_isset(this_cpu, busiest->curr->cpus_allowed)) {
if (!cpumask_test_cpu(this_cpu, &busiest->curr->cpus_allowed)) {
double_unlock_balance(this_rq, busiest);
all_pinned = 1;
return ld_moved;
@@ -6257,9 +6257,7 @@ static int __migrate_task_irq(struct task_struct *p, int src_cpu, int dest_cpu)
static void move_task_off_dead_cpu(int dead_cpu, struct task_struct *p)
{
int dest_cpu;
/* FIXME: Use cpumask_of_node here. */
cpumask_t _nodemask = node_to_cpumask(cpu_to_node(dead_cpu));
const struct cpumask *nodemask = &_nodemask;
const struct cpumask *nodemask = cpumask_of_node(cpu_to_node(dead_cpu));
again:
/* Look for allowed, online CPU in same node. */
@@ -7170,21 +7168,18 @@ static int find_next_best_node(int node, nodemask_t *used_nodes)
static void sched_domain_node_span(int node, struct cpumask *span)
{
nodemask_t used_nodes;
/* FIXME: use cpumask_of_node() */
node_to_cpumask_ptr(nodemask, node);
int i;
cpus_clear(*span);
cpumask_clear(span);
nodes_clear(used_nodes);
cpus_or(*span, *span, *nodemask);
cpumask_or(span, span, cpumask_of_node(node));
node_set(node, used_nodes);
for (i = 1; i < SD_NODES_PER_DOMAIN; i++) {
int next_node = find_next_best_node(node, &used_nodes);
node_to_cpumask_ptr_next(nodemask, next_node);
cpus_or(*span, *span, *nodemask);
cpumask_or(span, span, cpumask_of_node(next_node));
}
}
#endif /* CONFIG_NUMA */
@@ -7264,9 +7259,7 @@ cpu_to_phys_group(int cpu, const struct cpumask *cpu_map,
{
int group;
#ifdef CONFIG_SCHED_MC
/* FIXME: Use cpu_coregroup_mask. */
*mask = cpu_coregroup_map(cpu);
cpus_and(*mask, *mask, *cpu_map);
cpumask_and(mask, cpu_coregroup_mask(cpu), cpu_map);
group = cpumask_first(mask);
#elif defined(CONFIG_SCHED_SMT)
cpumask_and(mask, &per_cpu(cpu_sibling_map, cpu), cpu_map);
@@ -7296,10 +7289,8 @@ static int cpu_to_allnodes_group(int cpu, const struct cpumask *cpu_map,
struct cpumask *nodemask)
{
int group;
/* FIXME: use cpumask_of_node */
node_to_cpumask_ptr(pnodemask, cpu_to_node(cpu));
cpumask_and(nodemask, pnodemask, cpu_map);
cpumask_and(nodemask, cpumask_of_node(cpu_to_node(cpu)), cpu_map);
group = cpumask_first(nodemask);
if (sg)
@@ -7350,10 +7341,8 @@ static void free_sched_groups(const struct cpumask *cpu_map,
for (i = 0; i < nr_node_ids; i++) {
struct sched_group *oldsg, *sg = sched_group_nodes[i];
/* FIXME: Use cpumask_of_node */
node_to_cpumask_ptr(pnodemask, i);
cpus_and(*nodemask, *pnodemask, *cpu_map);
cpumask_and(nodemask, cpumask_of_node(i), cpu_map);
if (cpumask_empty(nodemask))
continue;
@@ -7562,9 +7551,7 @@ static int __build_sched_domains(const struct cpumask *cpu_map,
for_each_cpu(i, cpu_map) {
struct sched_domain *sd = NULL, *p;
/* FIXME: use cpumask_of_node */
*nodemask = node_to_cpumask(cpu_to_node(i));
cpus_and(*nodemask, *nodemask, *cpu_map);
cpumask_and(nodemask, cpumask_of_node(cpu_to_node(i)), cpu_map);
#ifdef CONFIG_NUMA
if (cpumask_weight(cpu_map) >
@@ -7605,9 +7592,8 @@ static int __build_sched_domains(const struct cpumask *cpu_map,
sd = &per_cpu(core_domains, i).sd;
SD_INIT(sd, MC);
set_domain_attribute(sd, attr);
*sched_domain_span(sd) = cpu_coregroup_map(i);
cpumask_and(sched_domain_span(sd),
sched_domain_span(sd), cpu_map);
cpumask_and(sched_domain_span(sd), cpu_map,
cpu_coregroup_mask(i));
sd->parent = p;
p->child = sd;
cpu_to_core_group(i, cpu_map, &sd->groups, tmpmask);
@@ -7643,9 +7629,7 @@ static int __build_sched_domains(const struct cpumask *cpu_map,
#ifdef CONFIG_SCHED_MC
/* Set up multi-core groups */
for_each_cpu(i, cpu_map) {
/* FIXME: Use cpu_coregroup_mask */
*this_core_map = cpu_coregroup_map(i);
cpus_and(*this_core_map, *this_core_map, *cpu_map);
cpumask_and(this_core_map, cpu_coregroup_mask(i), cpu_map);
if (i != cpumask_first(this_core_map))
continue;
@@ -7657,9 +7641,7 @@ static int __build_sched_domains(const struct cpumask *cpu_map,
/* Set up physical groups */
for (i = 0; i < nr_node_ids; i++) {
/* FIXME: Use cpumask_of_node */
*nodemask = node_to_cpumask(i);
cpus_and(*nodemask, *nodemask, *cpu_map);
cpumask_and(nodemask, cpumask_of_node(i), cpu_map);
if (cpumask_empty(nodemask))
continue;
@@ -7681,11 +7663,8 @@ static int __build_sched_domains(const struct cpumask *cpu_map,
struct sched_group *sg, *prev;
int j;
/* FIXME: Use cpumask_of_node */
*nodemask = node_to_cpumask(i);
cpumask_clear(covered);
cpus_and(*nodemask, *nodemask, *cpu_map);
cpumask_and(nodemask, cpumask_of_node(i), cpu_map);
if (cpumask_empty(nodemask)) {
sched_group_nodes[i] = NULL;
continue;
@@ -7716,8 +7695,6 @@ static int __build_sched_domains(const struct cpumask *cpu_map,
for (j = 0; j < nr_node_ids; j++) {
int n = (i + j) % nr_node_ids;
/* FIXME: Use cpumask_of_node */
node_to_cpumask_ptr(pnodemask, n);
cpumask_complement(notcovered, covered);
cpumask_and(tmpmask, notcovered, cpu_map);
@@ -7725,7 +7702,7 @@ static int __build_sched_domains(const struct cpumask *cpu_map,
if (cpumask_empty(tmpmask))
break;
cpumask_and(tmpmask, tmpmask, pnodemask);
cpumask_and(tmpmask, tmpmask, cpumask_of_node(n));
if (cpumask_empty(tmpmask))
continue;