[PATCH -next] sched/fair: Use struct_size()
From: Ruan Jinjie
Date: Tue Jul 25 2023 - 07:50:48 EST
Use struct_size() instead of hand-writing it, when allocating a structure
with a flex array.
This is less verbose.
Signed-off-by: Ruan Jinjie <ruanjinjie@xxxxxxxxxx>
---
kernel/sched/fair.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index f8b71ea5948b..cc041a48100f 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -2889,9 +2889,8 @@ 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);
+ unsigned int size = struct_size(grp, faults,
+ NR_NUMA_HINT_FAULT_STATS * nr_node_ids);
grp = kzalloc(size, GFP_KERNEL | __GFP_NOWARN);
if (!grp)
--
2.34.1