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 249BE437115; Mon, 13 Jul 2026 13:57:19 +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=1783951041; cv=none; b=OxJ8DaCdUcOUjij597MaVxWPd30cgkDI/IXqhu0TG32/tAWqXaAt5bph2JL2sbD5uPmg9HeBSAmZJkg8OtVi/gp+oBKfO+uNZJw62eptRk2PHYzrsgZVpW7vk08NXHyY2shx6nQiukT/DftaAeCMe24/IuOX2Ps0UekpZts3EBU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783951041; c=relaxed/simple; bh=rWnh71eP4ExKejhtZMDlAoDG+E13CnFWq7MJbiy4Prg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=iJ0GVKpddGsu0zTvz8y8PpiJ3nahzuyCplQML0CWe6O5Ba60XpKDC2Ah0qPCi+3yDPRxVemJ+STIhRcfANbr+4Leqpw+0xLZyyoWhxhC14nOVP2Gp9RGX340s6FO9wPUKq7FSmkwqWTDJb22UfLDM66g0PoBK5oFFFjrc0UIkSs= ARC-Authentication-Results:i=1; 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h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=BjUetTWKI+nFC6Nb4ya683onv52KMTRNW2dVnNgT8le31HCD8GqM+yxsQ7Xn9inlp BJwD2Sxlmir5mOjCFoMbNwgdOl1hgNAdS8x3+8JhdyHZ0gJlQfi6DP+vPi7SoI9phc 9Vq5JzPmq8OqLNQQBIhWm1+azrXVisoqqRFDxEc4= From: Yeoreum Yun To: 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, kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org, x86@kernel.org, linux-mm@kvack.org, kasan-dev@googlegroups.com, linux-csky@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-openrisc@vger.kernel.org Cc: david@kernel.org, linux@armlinux.org.uk, akpm@linux-foundation.org, ankur.a.arora@oracle.com, rppt@kernel.org, linmag7@gmail.com, chleroy@kernel.org, klarasmodin@gmail.com, chenhuacai@kernel.org, kernel@xen0n.name, kas@kernel.org, zhangtianyang@loongson.cn, wangyuli@aosc.io, tsbogend@alpha.franken.de, ljs@kernel.org, jgg@ziepe.ca, catalin.marinas@arm.com, will@kernel.org, arnd@arndb.de, ryan.roberts@arm.com, pasha.tatashin@soleen.com, rmclure@linux.ibm.com, baolin.wang@linux.alibaba.com, tj@kernel.org, kevin.brodsky@arm.com, anup@brainfault.org, atish.patra@linux.dev, pjw@kernel.org, palmer@dabbelt.com, aou@eecs.berkeley.edu, alex@ghiti.fr, dave.hansen@linux.intel.com, luto@kernel.org, peterz@infradead.org, tglx@kernel.org, mingo@redhat.com, bp@alien8.de, hpa@zytor.com, hannes@cmpxchg.org, mhocko@kernel.org, qi.zheng@linux.dev, shakeel.butt@linux.dev, kasong@tencent.com, baohua@kernel.org, axelrasmussen@google.com, yuanchu@google.com, weixugc@google.com, ryabinin.a.a@gmail.com, glider@google.com, andreyknvl@gmail.com, dvyukov@google.com, vincenzo.frascino@arm.com, anshuman.khandual@arm.com, yang@os.amperecomputing.com, chaitanyas.prakash@arm.com, ardb@kernel.org, guoren@kernel.org, yang.li85200@gmail.com, viro@zeniv.linux.org.uk, dinguyen@kernel.org, schuster.simon@siemens-energy.com, wangruikang@iscas.ac.cn, junhui.liu@pigmoral.tech, muchun.song@linux.dev, vishal.moola@gmail.com, namcao@linutronix.de, pavel@kernel.org, djbw@kernel.org, yu-cheng.yu@intel.com, baolu.lu@linux.intel.com, Jonathan.Cameron@huawei.com, coxu@redhat.com, andreas@gaisler.com, liam@infradead.org, vbabka@kernel.org, surenb@google.com, mhocko@suse.com, geert@linux-m68k.org, shorne@gmail.com, jonas@southpole.se, stefan.kristiansson@saunalahti.fi, Yeoreum Yun Subject: [RFC PATCH 04/34] LoongArch: mm: define pud_leaf() only when PUD exists Date: Mon, 13 Jul 2026 14:55:43 +0100 Message-ID: <20260713135614.1618183-5-yeoreum.yun@arm.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260713135614.1618183-1-yeoreum.yun@arm.com> References: <20260713135614.1618183-1-yeoreum.yun@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: 8bit 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) Signed-off-by: Yeoreum Yun --- 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 1952e34bc8ee0..434e5b4834664 100644 --- a/arch/loongarch/include/asm/pgtable.h +++ b/arch/loongarch/include/asm/pgtable.h @@ -636,7 +636,9 @@ 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 -- LEVI:{C3F47F37-75D8-414A-A8BA-3980EC8A46D7}