From nobody Fri Apr 17 00:17:55 2026 Received: from out-177.mta0.migadu.com (out-177.mta0.migadu.com [91.218.175.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AF931330641 for ; Tue, 24 Feb 2026 20:26:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.177 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771964805; cv=none; b=Av7Wyqi1GRC3xK7Z0Y9dI39+5mDPQoMWKVTUgPlhV104FZwnenmv/UsgGi0o+T1aZghCmeO+fZHC5kcgj1/77CgoFjyhsaeDLtKx/GDYa7qATzBi47qA/ACbeaoqhaN2v2F9TNQ4hTWfaFVBarVHtuLltkJMLdf173dVgZ3QOJQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771964805; c=relaxed/simple; bh=SvAYvlKyB31HjT7447y2fqyh+sxE0MZR0kgAcfIBxwA=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=P98LCnr+89gAX7pYKH+189Xet6xRb2Y2nA+XHHDnDJDr7jyL1TXxY/Gx7T/Ti8Nyj5dOy3hJmMAkqyLzJ2SV4LeAu3cuxMn/lCKOJ8j3Zs+BbFQxXoYNlaM04IvYMMjzuAOPHfu7J0/0hm1Q59g/H9dl8V2y3h5bfnUeqQ+1HB8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=mheqknGp; arc=none smtp.client-ip=91.218.175.177 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="mheqknGp" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1771964801; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=4C3uQiLLclMHCInXeXY+fphOFQhcmEpSPeHq4tpg/Co=; b=mheqknGpjqJTKxplrpQM6Zd41qznRTLmYESMOp8hzuEMkWKx1fYi3V+lDTRBykAxy7SQrM tK2jNm0fh9u7huH55MyfMVTLb8DTzLJMHYV5cTNbdZnQ8huYRAzA4wN3bQ2BoCr/UKKVHa x7nIb8/gma09F6hyv3RJz8DNfTyleD8= From: Thorsten Blum To: Ingo Molnar , Peter Zijlstra , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Steven Rostedt , Ben Segall , Mel Gorman , Valentin Schneider Cc: Thorsten Blum , linux-kernel@vger.kernel.org Subject: [PATCH] sched/mmcid: Use clamp to simplify mm_cid_calc_pcpu_thrs Date: Tue, 24 Feb 2026 21:24:51 +0100 Message-ID: <20260224202451.681410-2-thorsten.blum@linux.dev> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Migadu-Flow: FLOW_OUT Content-Type: text/plain; charset="utf-8" Replace nested max(min()) with clamp() to simplify mm_cid_calc_pcpu_thrs(). No functional changes. Signed-off-by: Thorsten Blum --- 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 759777694c78..8c3920918596 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -10473,7 +10473,7 @@ static inline unsigned int mm_cid_calc_pcpu_thrs(st= ruct mm_mm_cid *mc) =20 opt_cids =3D 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); } =20 static bool mm_update_max_cids(struct mm_struct *mm) --=20 Thorsten Blum GPG: 1D60 735E 8AEF 3BE4 73B6 9D84 7336 78FD 8DFE EAD4