From: Thorsten Blum <thorsten.blum@linux.dev>
To: Ingo Molnar <mingo@redhat.com>,
Peter Zijlstra <peterz@infradead.org>,
Juri Lelli <juri.lelli@redhat.com>,
Vincent Guittot <vincent.guittot@linaro.org>,
Dietmar Eggemann <dietmar.eggemann@arm.com>,
Steven Rostedt <rostedt@goodmis.org>,
Ben Segall <bsegall@google.com>, Mel Gorman <mgorman@suse.de>,
Valentin Schneider <vschneid@redhat.com>,
K Prateek Nayak <kprateek.nayak@amd.com>
Cc: Thorsten Blum <thorsten.blum@linux.dev>, linux-kernel@vger.kernel.org
Subject: [PATCH RESEND] sched/mmcid: Use clamp() to simplify mm_cid_calc_pcpu_thrs()
Date: Sun, 5 Jul 2026 19:20:54 +0200 [thread overview]
Message-ID: <20260705172054.339425-2-thorsten.blum@linux.dev> (raw)
Use clamp() to simplify the code and improve its readability.
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
---
kernel/sched/core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 8b791e9e9f67..31739bd43176 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -10785,7 +10785,7 @@ static inline unsigned int mm_cid_calc_pcpu_thrs(struct mm_mm_cid *mc)
opt_cids = min(mc->nr_cpus_allowed, mc->users);
/* Has to be at least 1 because 0 indicates PCPU mode off */
- return max(min(opt_cids - opt_cids / 4, num_possible_cpus() / 2), 1);
+ return clamp(opt_cids - opt_cids / 4, 1, num_possible_cpus() / 2);
}
static bool mm_update_max_cids(struct mm_struct *mm)
next reply other threads:[~2026-07-05 17:21 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-05 17:20 Thorsten Blum [this message]
2026-07-05 19:07 ` [PATCH RESEND] sched/mmcid: Use clamp() to simplify mm_cid_calc_pcpu_thrs() David Laight
2026-07-05 21:07 ` Thorsten Blum
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