diff options
Diffstat (limited to 'mm/allocpercpu.c')
| -rw-r--r-- | mm/allocpercpu.c | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/mm/allocpercpu.c b/mm/allocpercpu.c index 05f2b4009ccc..4297bc41bfd2 100644 --- a/mm/allocpercpu.c +++ b/mm/allocpercpu.c @@ -18,27 +18,28 @@ * Depopulating per-cpu data for a cpu going offline would be a typical * use case. You need to register a cpu hotplug handler for that purpose. */ -void percpu_depopulate(void *__pdata, int cpu) +static void percpu_depopulate(void *__pdata, int cpu) { struct percpu_data *pdata = __percpu_disguise(__pdata); kfree(pdata->ptrs[cpu]); pdata->ptrs[cpu] = NULL; } -EXPORT_SYMBOL_GPL(percpu_depopulate); /** * percpu_depopulate_mask - depopulate per-cpu data for some cpu's * @__pdata: per-cpu data to depopulate * @mask: depopulate per-cpu data for cpu's selected through mask bits */ -void __percpu_depopulate_mask(void *__pdata, cpumask_t *mask) +static void __percpu_depopulate_mask(void *__pdata, cpumask_t *mask) { int cpu; - for_each_cpu_mask(cpu, *mask) + for_each_cpu_mask_nr(cpu, *mask) percpu_depopulate(__pdata, cpu); } -EXPORT_SYMBOL_GPL(__percpu_depopulate_mask); + +#define percpu_depopulate_mask(__pdata, mask) \ + __percpu_depopulate_mask((__pdata), &(mask)) /** * percpu_populate - populate per-cpu data for given cpu @@ -51,7 +52,7 @@ EXPORT_SYMBOL_GPL(__percpu_depopulate_mask); * use case. You need to register a cpu hotplug handler for that purpose. * Per-cpu object is populated with zeroed buffer. */ -void *percpu_populate(void *__pdata, size_t size, gfp_t gfp, int cpu) +static void *percpu_populate(void *__pdata, size_t size, gfp_t gfp, int cpu) { struct percpu_data *pdata = __percpu_disguise(__pdata); int node = cpu_to_node(cpu); @@ -68,7 +69,6 @@ void *percpu_populate(void *__pdata, size_t size, gfp_t gfp, int cpu) pdata->ptrs[cpu] = kzalloc(size, gfp); return pdata->ptrs[cpu]; } -EXPORT_SYMBOL_GPL(percpu_populate); /** * percpu_populate_mask - populate per-cpu data for more cpu's @@ -79,14 +79,14 @@ EXPORT_SYMBOL_GPL(percpu_populate); * * Per-cpu objects are populated with zeroed buffers. */ -int __percpu_populate_mask(void *__pdata, size_t size, gfp_t gfp, - cpumask_t *mask) +static int __percpu_populate_mask(void *__pdata, size_t size, gfp_t gfp, + cpumask_t *mask) { cpumask_t populated; int cpu; cpus_clear(populated); - for_each_cpu_mask(cpu, *mask) + for_each_cpu_mask_nr(cpu, *mask) if (unlikely(!percpu_populate(__pdata, size, gfp, cpu))) { __percpu_depopulate_mask(__pdata, &populated); return -ENOMEM; @@ -94,7 +94,9 @@ int __percpu_populate_mask(void *__pdata, size_t size, gfp_t gfp, cpu_set(cpu, populated); return 0; } -EXPORT_SYMBOL_GPL(__percpu_populate_mask); + +#define percpu_populate_mask(__pdata, size, gfp, mask) \ + __percpu_populate_mask((__pdata), (size), (gfp), &(mask)) /** * percpu_alloc_mask - initial setup of per-cpu data |