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path: root/drivers/staging/lustre/lustre/libcfs/linux/linux-cpu.c
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Diffstat (limited to 'drivers/staging/lustre/lustre/libcfs/linux/linux-cpu.c')
-rw-r--r--drivers/staging/lustre/lustre/libcfs/linux/linux-cpu.c33
1 files changed, 9 insertions, 24 deletions
diff --git a/drivers/staging/lustre/lustre/libcfs/linux/linux-cpu.c b/drivers/staging/lustre/lustre/libcfs/linux/linux-cpu.c
index 209736454..e52afe35e 100644
--- a/drivers/staging/lustre/lustre/libcfs/linux/linux-cpu.c
+++ b/drivers/staging/lustre/lustre/libcfs/linux/linux-cpu.c
@@ -22,7 +22,8 @@
*/
/*
* Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2012, Intel Corporation.
+ *
+ * Copyright (c) 2012, 2015 Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
@@ -78,23 +79,6 @@ struct cfs_cpt_data {
static struct cfs_cpt_data cpt_data;
-static void cfs_cpu_core_siblings(int cpu, cpumask_t *mask)
-{
- /* return cpumask of cores in the same socket */
- cpumask_copy(mask, topology_core_cpumask(cpu));
-}
-
-/* return cpumask of HTs in the same core */
-static void cfs_cpu_ht_siblings(int cpu, cpumask_t *mask)
-{
- cpumask_copy(mask, topology_sibling_cpumask(cpu));
-}
-
-static void cfs_node_to_cpumask(int node, cpumask_t *mask)
-{
- cpumask_copy(mask, cpumask_of_node(node));
-}
-
void
cfs_cpt_table_free(struct cfs_cpt_table *cptab)
{
@@ -426,7 +410,7 @@ cfs_cpt_set_node(struct cfs_cpt_table *cptab, int cpt, int node)
mutex_lock(&cpt_data.cpt_mutex);
mask = cpt_data.cpt_cpumask;
- cfs_node_to_cpumask(node, mask);
+ cpumask_copy(mask, cpumask_of_node(node));
rc = cfs_cpt_set_cpumask(cptab, cpt, mask);
@@ -450,7 +434,7 @@ cfs_cpt_unset_node(struct cfs_cpt_table *cptab, int cpt, int node)
mutex_lock(&cpt_data.cpt_mutex);
mask = cpt_data.cpt_cpumask;
- cfs_node_to_cpumask(node, mask);
+ cpumask_copy(mask, cpumask_of_node(node));
cfs_cpt_unset_cpumask(cptab, cpt, mask);
@@ -643,7 +627,7 @@ cfs_cpt_choose_ncpus(struct cfs_cpt_table *cptab, int cpt,
cpu = cpumask_first(node);
/* get cpumask for cores in the same socket */
- cfs_cpu_core_siblings(cpu, socket);
+ cpumask_copy(socket, topology_core_cpumask(cpu));
cpumask_and(socket, socket, node);
LASSERT(!cpumask_empty(socket));
@@ -652,7 +636,7 @@ cfs_cpt_choose_ncpus(struct cfs_cpt_table *cptab, int cpt,
int i;
/* get cpumask for hts in the same core */
- cfs_cpu_ht_siblings(cpu, core);
+ cpumask_copy(core, topology_sibling_cpumask(cpu));
cpumask_and(core, core, node);
LASSERT(!cpumask_empty(core));
@@ -769,7 +753,7 @@ cfs_cpt_table_create(int ncpt)
}
for_each_online_node(i) {
- cfs_node_to_cpumask(i, mask);
+ cpumask_copy(mask, cpumask_of_node(i));
while (!cpumask_empty(mask)) {
struct cfs_cpu_partition *part;
@@ -968,7 +952,8 @@ cfs_cpu_notify(struct notifier_block *self, unsigned long action, void *hcpu)
mutex_lock(&cpt_data.cpt_mutex);
/* if all HTs in a core are offline, it may break affinity */
- cfs_cpu_ht_siblings(cpu, cpt_data.cpt_cpumask);
+ cpumask_copy(cpt_data.cpt_cpumask,
+ topology_sibling_cpumask(cpu));
warn = cpumask_any_and(cpt_data.cpt_cpumask,
cpu_online_mask) >= nr_cpu_ids;
mutex_unlock(&cpt_data.cpt_mutex);