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 "atomic_set(&vec->count, 0);".
Signed-off-by: Xunlei Pang <xlp...@redhat.com>
---
kernel/sched/cpupri.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/kernel/sched/cpupri.c b/kernel/sched/cpupri.c
index 981fcd7..b8f73a7 100644
--- a/kernel/sched/cpupri.c
+++ b/kernel/sched/cpupri.c
@@ -214,8 +214,7 @@ int cpupri_init(struct cpupri *cp)
for (i = 0; i < CPUPRI_NR_PRIORITIES; i++) {
struct cpupri_vec *vec = &cp->pri_to_cpu[i];
- atomic_set(&vec->count, 0);
- if (!zalloc_cpumask_var(&vec->mask, GFP_KERNEL))
+ if (!alloc_cpumask_var(&vec->mask, GFP_KERNEL | __GFP_ZERO))
goto cleanup;
}
--
2.5.0
--
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