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 53BC2E7BD8C for ; Mon, 16 Feb 2026 10:54:46 +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=k8soCiw0yPZ5FvM6uZ6IB+oR4BTFJ2YyLTokzJ5tj5w=; b=SyIxXeF977WKF4nsIQI+HVsFY3 9ODiz3UghjFT2DkCIYBv9MCvmgDy49RvPtDW+Qno7/ePubvjEKAuYkwBeiJvfr97C+CNA+1BmTTNP JFgbndtpE2fghlEZ1or9It4Nw9f4h1iAFjebEm92GtwCKdzFJObydVQ29KEFaXT835lf21lBHv52x ZmCrgmy1w7DsP2b4eLq17QepRbFZRdU8ev6/LzG6KSTmhehKJW3uvuWyYrt+zCM+tUIDS3mRNyFir vUCmIj3pkCMmLACQizSvAiNUo0Qs+W2272OPq23nMwQ34FtvI/4sTdf5nJV9DgsT0J99qvYLoCNMl RdWxtoPg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vrwFV-00000006OAl-0Say; Mon, 16 Feb 2026 10:54:41 +0000 Received: from sea.source.kernel.org ([172.234.252.31]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vrwFT-00000006OA3-0qKs for linux-arm-kernel@lists.infradead.org; Mon, 16 Feb 2026 10:54:40 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 205E6402B0; Mon, 16 Feb 2026 10:54:38 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5784AC116C6; Mon, 16 Feb 2026 10:54:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1771239278; bh=OcCCo/1gRKB3YHar1Lc1ULAMl9R2PY7ytURVC/zC2sg=; h=From:To:Cc:Subject:Date:From; b=R+X5w6GYEGRtaLWwCzk55Gjti+NnLuiEHjJr5f+8arFJw5httlIYr0Cs/5Znih7AC K21j3MdM0wiOa+qnfTLLG2icKmQ1AB7BNy5JkoMEeu85Hn72M2OsSZd1lmq7u0MQ8X NddiN0F5DN20asATZiSMV9cLq5YL5He+sgthp797qbugLkdK08iorKeJPjLVhTpR02 3ZRgOncoyXR92VKcHTfRTeG4y8PgAejqFLktiaPgV+Fp/b5h80qZuB+ULIoUwqjQrG 93sniiQ9g8bhyEmvnUC3wYw9F8OJoWPcg0Zo9fhqux6jmR5su2n+z4n/vfa4SqYXC8 mdOmsXpYw5b1g== From: Arnd Bergmann To: Catalin Marinas , Will Deacon Cc: Arnd Bergmann , Andrew Morton , Ryan Roberts , Anshuman Khandual , Rohan McLure , Kevin Brodsky , Baolin Wang , Alistair Popple , Andrew Donnellan , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH] [v3] arm64: hugetlbpage: avoid unused-but-set-parameter warning (gcc-16) Date: Mon, 16 Feb 2026 11:54:21 +0100 Message-Id: <20260216105432.2381873-1-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-20260216_025439_268363_BA86B672 X-CRM114-Status: GOOD ( 12.38 ) 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, but when CONFIG_ARM64_CONTPTE is enabled it still gets updated. Replace the macro with an inline function to let the compiler see the argument getting passed down. Suggested-by: Catalin Marinas Signed-off-by: Arnd Bergmann --- v3: rephrase changelog text v2: replace my original patch with Catalin's suggestion --- arch/arm64/include/asm/pgtable.h | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h index a17eb8a76788..b3e58735c49b 100644 --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h @@ -144,8 +144,6 @@ static inline pteval_t __phys_to_pte_val(phys_addr_t phys) __pte(__phys_to_pte_val((phys_addr_t)(pfn) << PAGE_SHIFT) | pgprot_val(prot)) #define pte_none(pte) (!pte_val(pte)) -#define __pte_clear(mm, addr, ptep) \ - __set_pte(ptep, __pte(0)) #define pte_page(pte) (pfn_to_page(pte_pfn(pte))) /* @@ -1284,6 +1282,13 @@ static inline bool pud_user_accessible_page(pud_t pud, unsigned long addr) /* * Atomic pte/pmd modifications. */ + +static inline void __pte_clear(struct mm_struct *mm, + unsigned long addr, pte_t *ptep) +{ + __set_pte(ptep, __pte(0)); +} + static inline int __ptep_test_and_clear_young(struct vm_area_struct *vma, unsigned long address, pte_t *ptep) -- 2.39.5