From nobody Wed Dec 17 15:38:00 2025 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 38271242936; Mon, 17 Mar 2025 14:22:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742221338; cv=none; b=m5H/XzWZNi9suHc7CrIp1c2mQX3qKa5pzdde/9hD7VObAEZEHScXurOShYBxnkQFxKc5Fq4rojlGyrPqezXagHzXdn6PlDIZQX5jNhlAOeallBJuapgVcqFo65Mt62HuikZwc9cH34c4GzHRXH9J5P6UjzJFT/0lHpMU9SYkKdg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742221338; c=relaxed/simple; bh=RNsmwgKd54pXI04RhtjMDwCNzHijd0GVztdeN7KSOtM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=AkxjXgetYQlB00SgrQ40jFBuue0avB+hhUjvFHhdTMNiPaQPm2IEEnTnFAxxkMXdkPgjBBZPZ8Jg2WGVbShe42XkA8p6hidN+z8zmPT04r0vAtn6BKENwKjhif6b1QtSehSHT+Ah/FiylYpIW30P6NrXpl6G/ySP50GuevVPnbQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 6E78C22FA; Mon, 17 Mar 2025 07:22:25 -0700 (PDT) Received: from e123572-lin.arm.com (e123572-lin.cambridge.arm.com [10.1.194.54]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 46C2C3F63F; Mon, 17 Mar 2025 07:22:12 -0700 (PDT) From: Kevin Brodsky To: linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org, Kevin Brodsky , Albert Ou , Andreas Larsson , Andrew Morton , Catalin Marinas , Dave Hansen , "David S. Miller" , Geert Uytterhoeven , Linus Walleij , Madhavan Srinivasan , Mark Rutland , Matthew Wilcox , Michael Ellerman , "Mike Rapoport (IBM)" , Palmer Dabbelt , Paul Walmsley , Peter Zijlstra , Qi Zheng , Ryan Roberts , Will Deacon , Yang Shi , linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-openrisc@vger.kernel.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, sparclinux@vger.kernel.org Subject: [PATCH 10/11] arm64: mm: Call PUD/P4D ctor in __create_pgd_mapping() Date: Mon, 17 Mar 2025 14:16:59 +0000 Message-ID: <20250317141700.3701581-11-kevin.brodsky@arm.com> X-Mailer: git-send-email 2.47.0 In-Reply-To: <20250317141700.3701581-1-kevin.brodsky@arm.com> References: <20250317141700.3701581-1-kevin.brodsky@arm.com> 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" Constructors for PUD/P4D-level pgtables were recently introduced. They should be called for all pgtables; make sure they are called for special kernel mappings created by __create_pgd_mapping() too. Signed-off-by: Kevin Brodsky --- arch/arm64/mm/mmu.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c index accb0a33c59f..10bf39654e77 100644 --- a/arch/arm64/mm/mmu.c +++ b/arch/arm64/mm/mmu.c @@ -497,7 +497,11 @@ static phys_addr_t __pgd_pgtable_alloc(struct mm_struc= t *mm, case TABLE_PMD: BUG_ON(!pagetable_pmd_ctor(mm, ptdesc)); break; - default: + case TABLE_PUD: + pagetable_pud_ctor(ptdesc); + break; + case TABLE_P4D: + pagetable_p4d_ctor(ptdesc); break; } =20 --=20 2.47.0