From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id C0CBD471420; Wed, 2 Sep 2026 11:57:08 +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=1788350247; cv=none; b=YOfjv0zm1W98zhabijE9RzRG6zUbs3iYYa0dzxqOrfuSXBy94NDlgNqrynJQKmBmIMikQIhH3FOu7ou8SOSFapq0lcGpW3DlH5xg7OXqxN4bbDfGqxyZ7jGCvAOxBeaz5WuKdfLM7XIY4XLqbmSIwHrq808Q8J6pA2ARsjGFx74= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788350247; c=relaxed/simple; bh=j5KZYcW3oeEza4wEEPuE0tmGJJW/8LJA7zNPUWzIuhk=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=ccOeL8JVu9LZ0k3w8Q7RuqkWRm/84L1wPOiUD4lN8RORKDuZMBk1kYXnpUSoAXX4QGxQrLh4JChca0YaV9CFOMwm3besoYbcstT3Tc7l86otkVnxl1qPf7R0gjTYyeFjsspS354+dLGOGcw5ZdGK/6XrCanckOmTRsYdXHBDRqQ= 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; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b=f884vSlO; 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 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b="f884vSlO" 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 1327F1D70; Wed, 2 Sep 2026 04:57:02 -0700 (PDT) Received: from e129823.arm.com (e129823.arm.com [10.2.213.3]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id AF15D3F85F; Wed, 2 Sep 2026 04:56:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1788350225; bh=j5KZYcW3oeEza4wEEPuE0tmGJJW/8LJA7zNPUWzIuhk=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=f884vSlO+uAcSOf6hpsG5kaWDJDu6ROVeqIxakx81gtXhm/KayFYQx3b0SCK781i+ ZSk6qtseiictiBC97Kr4v1QHtwtGjl/atFe3flG+GhuG+wfBXuUBazoiBAngDR8fvR tKEl/qlZ1BbKg9E51TqNwea+bodKg9gJ9tMXlYsY= From: Yeoreum Yun Date: Wed, 02 Sep 2026 12:56:06 +0100 Subject: [PATCH RFC v3 04/21] LoongArch: mm: define pud_leaf() only when PUD exists Precedence: bulk X-Mailing-List: linux-arch@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260902-dummy_ptxp3-v3-4-5d8f5b17c25c@arm.com> References: <20260902-dummy_ptxp3-v3-0-5d8f5b17c25c@arm.com> In-Reply-To: <20260902-dummy_ptxp3-v3-0-5d8f5b17c25c@arm.com> To: Russell King , Huacai Chen , WANG Xuerui , Thomas Bogendoerfer , Catalin Marinas , Will Deacon , Arnd Bergmann , Andrew Morton , Kairui Song , Qi Zheng , Shakeel Butt , Barry Song , Axel Rasmussen , Yuanchu Xie , Wei Xu , Johannes Weiner , David Hildenbrand , Michal Hocko , Lorenzo Stoakes , Tianrui Zhao , Bibo Mao , Anup Patel , Atish Patra , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Dave Hansen , Andy Lutomirski , Peter Zijlstra , Thomas Gleixner , Ingo Molnar , Borislav Petkov , x86@kernel.org, "H. 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Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Jonas Bonn , Stefan Kristiansson , Stafford Horne Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, loongarch@lists.linux.dev, linux-mips@vger.kernel.org, linux-arch@vger.kernel.org, linux-mm@kvack.org, kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org, linux-openrisc@vger.kernel.org X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=991; i=yeoreum.yun@arm.com; h=from:subject:message-id; bh=MeOlGX5zz7TlceiZpHJLSajwL3IbIwIyElnPnwNLJYM=; b=owEB7QES/pANAwAKAW3Vw9FaxTEzAcsmYgBqmA7jTpyCvz3weXiiloXvIu0HwGyNZYxNUOeR8 zzOVDDHkf+JAbMEAAEKAB0WIQQtg+CS3QUzuFh1pJ1t1cPRWsUxMwUCapgO4wAKCRBt1cPRWsUx M3FsDACKI0amFDWitWwqgh1X55KBW3r2psT1svJy9ACAY/TLdpJ2t6SqKg8N3iwOgav6tFmT1XU 86PQMGlakmgCrVcxwGzFtiDfDMkcWhmxqA/hhBGByyFv3V8gAiqsIoTquASbDXeL6LoJdJ5A/xg IebsQSd4VBxzbzb0gOXKeqBB+7iXnGt0wae0LXAeHWxCPmG9kDER4VE2c68yCvvDMmeoYfzr1BH +OFsMihMBsPX8/ZK/6nTeTCYg8IPT+9DnZPLlxl0lP+VsQbT0ev47AJ3nVeUHxgAOk8zPIY9K9I dCABHAruCzWiJw+oV/AwPm/soI68/eQC5VVhARWFqQbPX19ouqoqsU7X4HJpSm751C8/KxvRCja Xy/x/jEo2crwE3wqLwygg1u2ZnbLaY8I5NsAH2gLHc3J9pcUSFUnPbsXlRmoFcDcVLAZVj5ic6J mm/ikE8OecbRalNsAOP1gdwZSr3I6i2GxLBhGHvtVWYZUt6+GxdiXpV3MblQM1dbfU9L8= X-Developer-Key: i=yeoreum.yun@arm.com; a=openpgp; fpr=2D83E092DD0533B85875A49D6DD5C3D15AC53133 From: "David Hildenbrand (Arm)" In include/asm-generic/pgtable-nopmd.h, pud_leaf() is hardcoded to return false as inline function, but it misses the "define pud_leaf pud_leaf" part. To prepare for fixing that, define pud_leaf() only when __PAGETABLE_PMD_FOLDED isn't defined. Signed-off-by: David Hildenbrand (Arm) --- arch/loongarch/include/asm/pgtable.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/loongarch/include/asm/pgtable.h b/arch/loongarch/include/asm/pgtable.h index cf29a4c8ac59..8aee4fc27a26 100644 --- a/arch/loongarch/include/asm/pgtable.h +++ b/arch/loongarch/include/asm/pgtable.h @@ -630,7 +630,9 @@ static inline long pmd_protnone(pmd_t pmd) #endif /* CONFIG_ARCH_HAS_PTE_PROTNONE */ #define pmd_leaf(pmd) ((pmd_val(pmd) & _PAGE_HUGE) != 0) +#ifndef __PAGETABLE_PMD_FOLDED #define pud_leaf(pud) ((pud_val(pud) & _PAGE_HUGE) != 0) +#endif /* * We provide our own get_unmapped area to cope with the virtual aliasing -- 2.43.0