From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 97B0226F28D; Wed, 20 May 2026 12:26:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779280011; cv=none; b=Rl7NSqvryr1T9lOhabewaZccZ+yly4kXEroxkK6boGQHe0YFG5+ASrPQrd0qFS/UP5z+WNtRcgxHdwbm2ylMernZml+sL9gW6F7C3h/+aK4ecbYXFg7Ym0YZfsxh1ZDJQC5iKiHjAbRBExOPRhhJvTBkrXkO53s6I/sJeaSu1js= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779280011; c=relaxed/simple; bh=hElv4jlf+VyfC9PiRkCcYpP76uoQlesfjuznhLOACSs=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=j8HVrzwtfy+1zzulTeCX4BwMHYmvqVEjlPJo/q0JOy/EWOJJtSc05l/TR4a/YLlyDiwCl3jSL4PsewH4cuoqYT8iVLbKO3C4QKPHxa+UxN0RV3dYCZ6aNaSeNYkIv0t5Nth58JmqNEHlXrkucKahkDBexPhKifSe+PGt1ADuNGg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=P7R2h7fA; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="P7R2h7fA" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A3C0E1F000E9; Wed, 20 May 2026 12:26:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1779280010; bh=ZtdGhoXGn9qULrrX8sCJlcSw7bHynPmqT3dAbF9DrAc=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=P7R2h7fA6JXZ3iXH/wt74befZDgvEFCcW6pa24MREvnM1PMhnAdpGSMy7j45yD20w w+/KN38nuq72EGeqC1bFqmM6SfFPaIl53yf1RyVmC1KMoqBGfNAueUPKeOS13Riavc VFK06BTC+Ye6M0tcsFglot5vfivHysdDQAhwd5VCisfHlZE2vQn+LY3Qgo5Wr1Q6FI 19K6iuvph9sY8EPFHtGMoESmgWXf7XtuFCGnnsTBY6r/roi/CufTBdx1o4ZseNNH0n VhrCmRQ5a/ibj9yEAo9JJJSpH+4CtvCbag7TWOMKsRrcDj5DIHSAPJXUpIvuchvutb gQKcQ3ZTXWTag== Date: Wed, 20 May 2026 14:26:47 +0200 From: Frederic Weisbecker To: "Uladzislau Rezki (Sony)" Cc: "Paul E . McKenney" , Joel Fernandes , Boqun Feng , RCU , LKML Subject: Re: [PATCH -next v2 07/11] rcu: Simplify rcu_do_batch() by applying clamp() Message-ID: References: <20260519194524.158515-1-urezki@gmail.com> <20260519194524.158515-8-urezki@gmail.com> Precedence: bulk X-Mailing-List: rcu@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20260519194524.158515-8-urezki@gmail.com> Le Tue, May 19, 2026 at 09:45:20PM +0200, Uladzislau Rezki (Sony) a écrit : > From: "Paul E. McKenney" > > This commit replaces a nested ?: sequence with clamp(). This does not > reduce the number of lines of code, but it does simplify the line that > it modifies. > > Signed-off-by: Paul E. McKenney > Signed-off-by: Uladzislau Rezki (Sony) Reviewed-by: Frederic Weisbecker > --- > kernel/rcu/tree.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c > index 55df6d37145e..e46a5124c3eb 100644 > --- a/kernel/rcu/tree.c > +++ b/kernel/rcu/tree.c > @@ -2584,7 +2584,7 @@ static void rcu_do_batch(struct rcu_data *rdp) > const long npj = NSEC_PER_SEC / HZ; > long rrn = READ_ONCE(rcu_resched_ns); > > - rrn = rrn < NSEC_PER_MSEC ? NSEC_PER_MSEC : rrn > NSEC_PER_SEC ? NSEC_PER_SEC : rrn; > + rrn = clamp(rrn, NSEC_PER_MSEC, NSEC_PER_SEC); > tlimit = local_clock() + rrn; > jlimit = jiffies + (rrn + npj + 1) / npj; > jlimit_check = true; > -- > 2.47.3 > > -- Frederic Weisbecker SUSE Labs