From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 88037E87846 for ; Tue, 3 Feb 2026 16:22:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=+pt4l9TqYWH/T7Do6Ju41FZVudJ0+eKxlOUber2la5k=; b=Qaz8jT42NIyXnr7XDiLqVk6OJs 5m9KI/c30CuD2C6/kFMk4hNMp9+Pwi77Vk+GflZZLVqseRsdg2YIN4oWri2riklfDha+Y55mrxxvs uO0HaERVHh/+sFkDLb3OJ2ELEveY6gAYYMrQy5AtsChD7d3Ro8CacP/00PmRn1wIqiFweJuQ1gNDm hG5NwcCWz1k336Yvt5RxMIlB9zWL0qefQ1VaG+uhLjh080ZUn0dmokQAmuYRkONjS/S0+7qvn8khH cD4P2Cl3UTAYM/kqGOkbW4Dvj928vbjMyTEEp62J0PozcRv5mdE3LKLYUgi5zmUZOE566qQIV60b6 URq7u5hQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vnJA5-00000006vzq-1LG7; Tue, 03 Feb 2026 16:21:57 +0000 Received: from sea.source.kernel.org ([2600:3c0a:e001:78e:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vnJA3-00000006vvL-0HVd for linux-arm-kernel@lists.infradead.org; Tue, 03 Feb 2026 16:21:56 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 86CB043E55; Tue, 3 Feb 2026 16:21:52 +0000 (UTC) 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 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260203_082155_216507_430055CF X-CRM114-Status: GOOD ( 12.93 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 used [-Werror=unused-but-set-parameter=] 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, ncontig = num_contig_ptes(sz, &pgsize); - for (i = 0; i < ncontig; i++, addr += pgsize, ptep++) - __pte_clear(mm, addr, ptep); + for (i = 0; i < ncontig; i++, ptep++) + __pte_clear(mm, addr + pgsize*i, ptep); } pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, -- 2.39.5