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 9D1BF4DB57D; Wed, 22 Jul 2026 15:31:16 +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=1784734278; cv=none; b=A8IWnOIxcpy4yqtNYaB1hhAwZk1dAigJHafHKibSt0lQY1MfnTtgobp8GmIv4E8Z2m/YLSAgENwTT8KxTrNPkdyx9JkXctSyVtpRL38BGbjiULS6KrRLclBImSgdg36IIo1WO/dPGN35LVOxX+KduBanubM33JXPnTsRTcvtzdw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784734278; c=relaxed/simple; bh=hiWrXKZl3HSQimA2aMCTib+KVKF++dHLJJBYh+lph9o=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=WuPt3cd0Hx8SWKS7W+d7Qyz1y0qT4ZucDJFF8hf6mfuChc27uOphMLXfA6NHE0Xd0Iw5TJ2DjcpSiyrx7b0R1oSHsROtVVEFgA7Maf48SWt81Lb0ufT4SOFTN29zDQWGbO7gwjjhW93Ux8cCrfaAppVqA4PFQDQIKK1R4rtenG0= 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=MPNrLQ+Y; 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="MPNrLQ+Y" 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 DF1B51691; Wed, 22 Jul 2026 08:31:11 -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 43CC43F66F; Wed, 22 Jul 2026 08:31:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1784734276; bh=hiWrXKZl3HSQimA2aMCTib+KVKF++dHLJJBYh+lph9o=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=MPNrLQ+YsrzFiOpSP9SWG7N/+MHgnknKNZkXq4aPF58fJCxXjdRe8DHJBZU1yH/gb Hz/yrfkTsAkIA/ai9FsVtwg3y7MKal7n0Ve6mdFNF8PditHoNSpER1jfZuPa1LaR0O RKS15ZaEJK8eMHTb91p12+ZneLnHBLh7wAv66T/M= From: Yeoreum Yun Date: Wed, 22 Jul 2026 16:30:13 +0100 Subject: [PATCH RFC v2 05/20] MIPS: mm: define pud_leaf() only when PUD exists Precedence: bulk X-Mailing-List: linux-kernel@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: <20260722-dummy_ptxp3-v2-5-d9e4bad31e0a@arm.com> References: <20260722-dummy_ptxp3-v2-0-d9e4bad31e0a@arm.com> In-Reply-To: <20260722-dummy_ptxp3-v2-0-d9e4bad31e0a@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=954; i=yeoreum.yun@arm.com; h=from:subject:message-id; bh=H+H/wmu4330VwmFZtb9J1sA2hSnEoaKRqGEvxUP6qx4=; b=owEB7QES/pANAwAKAW3Vw9FaxTEzAcsmYgBqYOIRWk1b7HFDPY1VFchgF5Cds4RBwgntIkDQd 5jEN4eIWxmJAbMEAAEKAB0WIQQtg+CS3QUzuFh1pJ1t1cPRWsUxMwUCamDiEQAKCRBt1cPRWsUx M6wGDAC2lHq5x8fgh5N3V0oN64yuI0v5l4DrbkPQqL3r9rW2b0FNVBd8zIJiTJmI0CpqtAOemH4 07Hnd7BkZnZpKDbHohJSPnUdu086S156nZ5ujv4kOhoHf8KmNwkqeHp18R78FvRHCex06Ri81uu vfeUTcJSNH5iNsf9kMiwUlTIsfEcXZA4/xSPo54Qe2vfVKC28/Y9VXC4xeiT92Sx0XyUgD5cQdu 5sGaCdBzlMbyiAdTA4BA0bjCbVvtvdaz0mihbWktNtc5Ep0aa57zWF54tpr7+vdIp3Hl7AFudJz bf3BBQPe4rLdeg2tMCLgcXy2dUxCbFZJRH/oGKD8u59MwaVyGN5z4J01wLxQap/KzJi5ux9/KiP Mf4bjM2FpSXqbhPa479cy4ItfK3JCYLe+rXwrUEmg9zfiY2DG7BfXN3hY99ee4pjgVHIswn26Gy LkGQcigk9fzVC8V+gFi2TGvn5JttPDqyJr8QzSiXoSgwRxNuqZEx+nlFB5lY+w/pxZ7YA= X-Developer-Key: i=yeoreum.yun@arm.com; a=openpgp; fpr=2D83E092DD0533B85875A49D6DD5C3D15AC53133 From: "David Hildenbrand (Arm)" In include/asm-generic/pgtable-nopmd.h, we do have a hard-coded pud_leaf()=false inline function, but we miss the "define pud_leaf pud_leaf" part. To prepare for fixing that, define pud_leaf() only if we don't have __PAGETABLE_PMD_FOLDED. 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