There is already a memset clear operation for '*cp', so we can use
alloc_cpumask_var() with __GFP_ZERO instead of zalloc_cpumask_var()
to avoid duplicate clear for systems without CONFIG_CPUMASK_OFFSTACK
set.
Also omit "cp->size = 0;".
Signed-off-by: Xunlei Pang <xlp...@redhat.com>
---
kernel/sched/cpudeadline.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/kernel/sched/cpudeadline.c b/kernel/sched/cpudeadline.c
index 5a75b08..ca780ec 100644
--- a/kernel/sched/cpudeadline.c
+++ b/kernel/sched/cpudeadline.c
@@ -211,7 +211,6 @@ int cpudl_init(struct cpudl *cp)
memset(cp, 0, sizeof(*cp));
raw_spin_lock_init(&cp->lock);
- cp->size = 0;
cp->elements = kcalloc(nr_cpu_ids,
sizeof(struct cpudl_item),
@@ -219,7 +218,7 @@ int cpudl_init(struct cpudl *cp)
if (!cp->elements)
return -ENOMEM;
- if (!zalloc_cpumask_var(&cp->free_cpus, GFP_KERNEL)) {
+ if (!alloc_cpumask_var(&cp->free_cpus, GFP_KERNEL | __GFP_ZERO)) {
kfree(cp->elements);
return -ENOMEM;
}
--
2.5.0
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
