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 70057488207; Wed, 2 Sep 2026 11:57:16 +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=1788350248; cv=none; b=djURdvz5pSgdjf5d++3JU8EOeN61jejcYJ8E5/ZyQsNOhR7canO9hRt5S4Fa/ekYrv64GLDsi03/KgWDBPCS18BHPX3abXHZBsrC2W5m7L+C4i2oBdoVWwoHLwlDE7G9U2mJZUw4Lg7WKnybJCYKr/nZgestvPc6MwSU2WJO+Xs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788350248; c=relaxed/simple; bh=Wt0Z/oRBkZT86NkETNbvCPFl/jDrFm+0ICRcmx2Gpw4=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=r8nl0YCJ1TJclJ6rMhZ2u4hrvadYEcT3mgXP7mZoBCvXwuqAmsfrybcKxbQZjHDGrgQ2pZN4urAjX+AbY4L/l0pq9hpuyjFt1aUjo+bP2vidqV0UydW0jKv7fYkOqvNrtPaS1OuDiVa+LL6X/zsxfWlzRzJki7XC4mtgcVlCiSs= 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=QlfFMcIg; 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="QlfFMcIg" 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 7F91A1684; Wed, 2 Sep 2026 04:57:09 -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 2AFCC3F85F; Wed, 2 Sep 2026 04:57:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1788350233; bh=Wt0Z/oRBkZT86NkETNbvCPFl/jDrFm+0ICRcmx2Gpw4=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=QlfFMcIgpV3JYZhXIz3ZKax54n1D+5p68jpTNDA5ds52moiQkyj5mRrWZ8+El2QFC ZYc598eW0tD/p3pw7LWjrSJnCEErawQmBKD5wWOQ8mCEinmi6VGrTVN6m+aN/4bVG4 iTzY66nzYxKk2Z4nlAfCZ32Tz9TAvUrC2JoDv03o= From: Yeoreum Yun Date: Wed, 02 Sep 2026 12:56:07 +0100 Subject: [PATCH RFC v3 05/21] MIPS: 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-v3-5-5d8f5b17c25c@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. Peter Anvin" , "Liam R. 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=950; i=yeoreum.yun@arm.com; h=from:subject:message-id; bh=r6k/TjEKlLvF6QYrAiLexU7+JoLa9iezYFCnVRD7jlk=; b=owEB7QES/pANAwAKAW3Vw9FaxTEzAcsmYgBqmA7k1BasbENs7scYH6YCwuMubOtsGe1c3+4m6 SOomUSWrtuJAbMEAAEKAB0WIQQtg+CS3QUzuFh1pJ1t1cPRWsUxMwUCapgO5AAKCRBt1cPRWsUx M3hGC/4t647eElOpB391p80tv3+7NgML6I6J4DGdbsBSvNkUpOdiEDJxWt6dXvZJprZIM65I9gL pzwDOktDu7P0q/H2ealDT27R5xiLJiMSYQJD6LtqjzaTOUCJqcBBsdwvvfz6exPz8jg/3s6owof z8kanGk2RTw/R2pBX7mz7baBXd/kXIAh+VtdG/yriBIJvw54oV1NawZ3QLH8cT0V++vjSvtx+6I U305Jn8DD42q1uSiiXgWq6uoWhAFuydp1y6fNV0XPcX+OG4n/bLcApPCVxGhNfqD+h1dlYA5xUC 3o3jHz8nXtffVSV1y2NX3+3BoAGkTj4JNftFb2oWfopLzLA8/jyqMEbV4QfTRMUcaPy94LAC9cb Je+vi6FqOCznR7ehsyiVNSUNOjyc2vcdlWDc8a3Efj7eElfAPuFNaiYMc7XIK+Qbpa8CgPR7Wqs gDblJRw0/WUPCu6jYlUuWd5gIEIzWHCbXriyTy4PEaG9XfbRg8ExE6mc4ZXlJ2wNcj26A= 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() has hardcoded to return false as inline function, but it misses the "define 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/mips/include/asm/pgtable.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/mips/include/asm/pgtable.h b/arch/mips/include/asm/pgtable.h index fa7b935f947c..151f4d15bd12 100644 --- a/arch/mips/include/asm/pgtable.h +++ b/arch/mips/include/asm/pgtable.h @@ -745,8 +745,10 @@ static inline pmd_t pmdp_huge_get_and_clear(struct mm_struct *mm, #ifdef _PAGE_HUGE #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 +#endif #define gup_fast_permitted(start, end) (!cpu_has_dc_aliases) -- 2.43.0