Messages in this thread Patch in this message | | | From | Xiu Jianfeng <> | Subject | [PATCH -next] sched: Use struct_size() helper in task_numa_group() | Date | Fri, 7 Jan 2022 10:52:12 +0800 |
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Make use of struct_size() helper instead of an open-coded calculation. There is no functional change in this patch.
Link: https://github.com/KSPP/linux/issues/160 Signed-off-by: Xiu Jianfeng <xiujianfeng@huawei.com> --- kernel/sched/fair.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 095b0aa378df..265e37be0c92 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -2437,11 +2437,8 @@ static void task_numa_group(struct task_struct *p, int cpupid, int flags, int i; if (unlikely(!deref_curr_numa_group(p))) { - unsigned int size = sizeof(struct numa_group) + - NR_NUMA_HINT_FAULT_STATS * - nr_node_ids * sizeof(unsigned long); - - grp = kzalloc(size, GFP_KERNEL | __GFP_NOWARN); + grp = kzalloc(struct_size(grp, faults, NR_NUMA_HINT_FAULT_STATS * nr_node_ids), + GFP_KERNEL | __GFP_NOWARN); if (!grp) return; -- 2.17.1
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