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sched_ext: Use sizeof_field for key_len in dsq_hash_params

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Update the `dsq_hash_params` initialization to use `sizeof_field`
for the `key_len` field instead of a hardcoded value.

This improves code readability and ensures the key length dynamically
matches the size of the `id` field in the `scx_dispatch_q` structure.

Signed-off-by: Liang Jie <liangjie@lixiang.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Liang Jie 2024-12-13 17:52:54 +08:00 committed by Tejun Heo
parent 8da7bf2cee
commit e197f5ec3a
1 changed files with 1 additions and 1 deletions
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2
kernel/sched/ext.c
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@ -960,7 +960,7 @@ static DEFINE_PER_CPU(struct task_struct *, direct_dispatch_task);
static struct scx_dispatch_q **global_dsqs;
static const struct rhashtable_params dsq_hash_params = {
.key_len = 8,
.key_len = sizeof_field(struct scx_dispatch_q, id),
.key_offset = offsetof(struct scx_dispatch_q, id),
.head_offset = offsetof(struct scx_dispatch_q, hash_node),
};