From nobody Sun Feb 8 01:30:51 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 A93A53D332B for ; Tue, 3 Feb 2026 16:21:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770135712; cv=none; b=kxhkJcVO3oudfDpj8jYkFdfDfM2O/y2PXxmdHTNBS/SK8hKRzpziT6KETai4GYIJHxxKBf6NMCJsJI0dswFykiX/UHQ/Osfvl8ggz7Rqul7qJ/rST9Czn51MCesMKeIxdf5d3zbMSP1kqVwbwNUVWFqRCNSwaCviBDWMy/s4mT8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770135712; c=relaxed/simple; bh=2AFdDEf7QhCVAOERnKLkWf9FkQj67+3j7cGqYpQNlww=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=YPMqEueGsKaN1umY+edyUNmqUN7WUJI/YhnxsmHMsv9bbjzAQv6NbvkQCi6Z8LeOCtLIYpgrVW/cZPV9O4rNewJi0mSzfH8jvTrLCLKtsvISYRmFujGcWAKXIkoxH7knajaQZFTYiLn0Pa5jMi/K8YucBas5XY7Cgce2X7voqSY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=mzFgH3Od; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="mzFgH3Od" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 96454C2BCB5; Tue, 3 Feb 2026 16:21:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1770135712; bh=2AFdDEf7QhCVAOERnKLkWf9FkQj67+3j7cGqYpQNlww=; h=From:To:Cc:Subject:Date:From; b=mzFgH3Od60+lezk1h5xO4qYAV293+Fmyk9bqj6PdjgWSaURnU7nTd+Mu7RMeaNJdM Mg91/VT54F+fhhyjPSTGTHtDCuWaJWSFcDSdwqH1wsZPWpu+j8ukRpA+TS6E47uZqd do+3HgbjAsAPNFEjhZpD9+Q7CNIdFZ7fSVZPOBG9BpsPoZLQNrnTz8kX8UDAnzlP4T Hy6cn/0aE2sQ7Jr0rQhZ8ke4mFyhlclppBXEHwBcj4hF98kLa2lmaMNQjNME9JJezd ts/1N9KVCKNc8dHt/SBjh4nrmyBB5FQAhWTatxhYtVi9GHrrnVyBw4uGsK167WBlLj p8LLawLOE5RhA== From: Arnd Bergmann To: Catalin Marinas , Will Deacon Cc: Arnd Bergmann , Anshuman Khandual , Ryan Roberts , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH] arm64: hugetlbpage: avoid unused-but-set-parameter warning (gcc-16) Date: Tue, 3 Feb 2026 17:21:23 +0100 Message-Id: <20260203162147.2103175-1-arnd@kernel.org> X-Mailer: git-send-email 2.39.5 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 Content-Type: text/plain; charset="utf-8" From: Arnd Bergmann gcc-16 warns about an instance that older compilers did not: arch/arm64/mm/hugetlbpage.c: In function 'huge_pte_clear': arch/arm64/mm/hugetlbpage.c:369:57: error: parameter 'addr' set but not use= d [-Werror=3Dunused-but-set-parameter=3D] The issue here is that __pte_clear() does not actually use its second argument when CONFIG_ARM64_CONTPTE is disabled. Reword this to compute the offset each time instead of updating the argument variable. I checked that the resulting object code is unchanged. Signed-off-by: Arnd Bergmann --- arch/arm64/mm/hugetlbpage.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm64/mm/hugetlbpage.c b/arch/arm64/mm/hugetlbpage.c index a42c05cf5640..4ad7662e8323 100644 --- a/arch/arm64/mm/hugetlbpage.c +++ b/arch/arm64/mm/hugetlbpage.c @@ -374,8 +374,8 @@ void huge_pte_clear(struct mm_struct *mm, unsigned long= addr, =20 ncontig =3D num_contig_ptes(sz, &pgsize); =20 - for (i =3D 0; i < ncontig; i++, addr +=3D pgsize, ptep++) - __pte_clear(mm, addr, ptep); + for (i =3D 0; i < ncontig; i++, ptep++) + __pte_clear(mm, addr + pgsize*i, ptep); } =20 pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, --=20 2.39.5