Messages in this thread Patch in this message | | | From | Li kunyu <> | Subject | [PATCH] sched: core: Optimize the structure of 'tg_cfs_schedulable_down' function | Date | Mon, 20 Mar 2023 04:02:55 +0800 |
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Optimize if branches and define in the branch statement block parent_quota variable.
Signed-off-by: Li kunyu <kunyu@nfschina.com> --- kernel/sched/core.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-)
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 488655f2319f..7e8535d2e36d 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -10915,15 +10915,12 @@ static int tg_cfs_schedulable_down(struct task_group *tg, void *data) { struct cfs_schedulable_data *d = data; struct cfs_bandwidth *cfs_b = &tg->cfs_bandwidth; - s64 quota = 0, parent_quota = -1; + s64 quota = RUNTIME_INF; - if (!tg->parent) { - quota = RUNTIME_INF; - } else { + if (tg->parent) { struct cfs_bandwidth *parent_b = &tg->parent->cfs_bandwidth; - + s64 parent_quota = parent_b->hierarchical_quota; quota = normalize_cfs_quota(tg, d); - parent_quota = parent_b->hierarchical_quota; /* * Ensure max(child_quota) <= parent_quota. On cgroup2, -- 2.18.2
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