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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2019-03-04 12:31:27 +0300
committerJuergen Gross <jgross@suse.com>2019-03-04 17:04:39 +0300
commit85eb278c1899f78d1429b45ffa84039d9011cb55 (patch)
tree8a67c042179b1a9d0b1fdc25691c24c7d7c69a14
parent1d988ed46543ca36c010634c97ac32114362ddb1 (diff)
downloadlinux-85eb278c1899f78d1429b45ffa84039d9011cb55.tar.xz
xen/ACPI: Switch to bitmap_zalloc()
Switch to bitmap_zalloc() to show clearly what we are allocating. Besides that it returns pointer of bitmap type instead of opaque void *. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Juergen Gross <jgross@suse.com> Signed-off-by: Juergen Gross <jgross@suse.com>
-rw-r--r--drivers/xen/xen-acpi-processor.c22
1 files changed, 11 insertions, 11 deletions
diff --git a/drivers/xen/xen-acpi-processor.c b/drivers/xen/xen-acpi-processor.c
index fbb9137c7d02..98e35644fda7 100644
--- a/drivers/xen/xen-acpi-processor.c
+++ b/drivers/xen/xen-acpi-processor.c
@@ -410,21 +410,21 @@ static int check_acpi_ids(struct acpi_processor *pr_backup)
/* All online CPUs have been processed at this stage. Now verify
* whether in fact "online CPUs" == physical CPUs.
*/
- acpi_id_present = kcalloc(BITS_TO_LONGS(nr_acpi_bits), sizeof(unsigned long), GFP_KERNEL);
+ acpi_id_present = bitmap_zalloc(nr_acpi_bits, GFP_KERNEL);
if (!acpi_id_present)
return -ENOMEM;
- acpi_id_cst_present = kcalloc(BITS_TO_LONGS(nr_acpi_bits), sizeof(unsigned long), GFP_KERNEL);
+ acpi_id_cst_present = bitmap_zalloc(nr_acpi_bits, GFP_KERNEL);
if (!acpi_id_cst_present) {
- kfree(acpi_id_present);
+ bitmap_free(acpi_id_present);
return -ENOMEM;
}
acpi_psd = kcalloc(nr_acpi_bits, sizeof(struct acpi_psd_package),
GFP_KERNEL);
if (!acpi_psd) {
- kfree(acpi_id_present);
- kfree(acpi_id_cst_present);
+ bitmap_free(acpi_id_present);
+ bitmap_free(acpi_id_cst_present);
return -ENOMEM;
}
@@ -533,14 +533,14 @@ static int __init xen_acpi_processor_init(void)
return -ENODEV;
nr_acpi_bits = get_max_acpi_id() + 1;
- acpi_ids_done = kcalloc(BITS_TO_LONGS(nr_acpi_bits), sizeof(unsigned long), GFP_KERNEL);
+ acpi_ids_done = bitmap_zalloc(nr_acpi_bits, GFP_KERNEL);
if (!acpi_ids_done)
return -ENOMEM;
acpi_perf_data = alloc_percpu(struct acpi_processor_performance);
if (!acpi_perf_data) {
pr_debug("Memory allocation error for acpi_perf_data\n");
- kfree(acpi_ids_done);
+ bitmap_free(acpi_ids_done);
return -ENOMEM;
}
for_each_possible_cpu(i) {
@@ -584,7 +584,7 @@ err_unregister:
err_out:
/* Freeing a NULL pointer is OK: alloc_percpu zeroes. */
free_acpi_perf_data();
- kfree(acpi_ids_done);
+ bitmap_free(acpi_ids_done);
return rc;
}
static void __exit xen_acpi_processor_exit(void)
@@ -592,9 +592,9 @@ static void __exit xen_acpi_processor_exit(void)
int i;
unregister_syscore_ops(&xap_syscore_ops);
- kfree(acpi_ids_done);
- kfree(acpi_id_present);
- kfree(acpi_id_cst_present);
+ bitmap_free(acpi_ids_done);
+ bitmap_free(acpi_id_present);
+ bitmap_free(acpi_id_cst_present);
kfree(acpi_psd);
for_each_possible_cpu(i)
acpi_processor_unregister_performance(i);