diff options
Diffstat (limited to 'drivers/staging/lustre/lnet/libcfs/linux/linux-cpu.c')
| -rw-r--r-- | drivers/staging/lustre/lnet/libcfs/linux/linux-cpu.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/drivers/staging/lustre/lnet/libcfs/linux/linux-cpu.c b/drivers/staging/lustre/lnet/libcfs/linux/linux-cpu.c index b52518c54efe..e8b1a61420de 100644 --- a/drivers/staging/lustre/lnet/libcfs/linux/linux-cpu.c +++ b/drivers/staging/lustre/lnet/libcfs/linux/linux-cpu.c @@ -74,6 +74,17 @@ struct cfs_cpt_data { static struct cfs_cpt_data cpt_data; +static void +cfs_node_to_cpumask(int node, cpumask_t *mask) +{ + const cpumask_t *tmp = cpumask_of_node(node); + + if (tmp) + cpumask_copy(mask, tmp); + else + cpumask_clear(mask); +} + void cfs_cpt_table_free(struct cfs_cpt_table *cptab) { @@ -403,7 +414,7 @@ cfs_cpt_set_node(struct cfs_cpt_table *cptab, int cpt, int node) mutex_lock(&cpt_data.cpt_mutex); mask = cpt_data.cpt_cpumask; - cpumask_copy(mask, cpumask_of_node(node)); + cfs_node_to_cpumask(node, mask); rc = cfs_cpt_set_cpumask(cptab, cpt, mask); @@ -427,7 +438,7 @@ cfs_cpt_unset_node(struct cfs_cpt_table *cptab, int cpt, int node) mutex_lock(&cpt_data.cpt_mutex); mask = cpt_data.cpt_cpumask; - cpumask_copy(mask, cpumask_of_node(node)); + cfs_node_to_cpumask(node, mask); cfs_cpt_unset_cpumask(cptab, cpt, mask); @@ -749,7 +760,7 @@ cfs_cpt_table_create(int ncpt) } for_each_online_node(i) { - cpumask_copy(mask, cpumask_of_node(i)); + cfs_node_to_cpumask(i, mask); while (!cpumask_empty(mask)) { struct cfs_cpu_partition *part; |