Message ID | 20200204013501.ASy8aLxPD%akpm@linux-foundation.org (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <SRS0=xrrM=3Y=kvack.org=owner-linux-mm@kernel.org> Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 56B6A13B4 for <patchwork-linux-mm@patchwork.kernel.org>; Tue, 4 Feb 2020 01:35:06 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 1468E2087E for <patchwork-linux-mm@patchwork.kernel.org>; Tue, 4 Feb 2020 01:35:06 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="RlIpEwnq" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1468E2087E Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux-foundation.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 08C556B0288; Mon, 3 Feb 2020 20:35:05 -0500 (EST) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id 00B186B0289; 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Tue, 4 Feb 2020 01:35:03 +0000 (UTC) Received: from localhost.localdomain (c-73-231-172-41.hsd1.ca.comcast.net [73.231.172.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 2BCB72084E; Tue, 4 Feb 2020 01:35:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1580780103; bh=j2t8pHIXmD9bZLRaakyEkHN+Nw8kjB+qgqU1Lbgvhzk=; h=Date:From:To:Subject:In-Reply-To:From; b=RlIpEwnqquuyQm9zV6bmxaA/J07T2plRmNYKbECebLfPc0Psudn4FSoHUWyBG7T8b /JqFo/NrFwouG1WJV9dFkYZJXWIKgApRwR9X97iLTi/40V9mejRKF4c+kAuFm5aNx+ P+zpZYxe7Bh/XUUzQrWQ7gdbIUOwmMSDwDmV5Jhc= Date: Mon, 03 Feb 2020 17:35:01 -0800 From: Andrew Morton <akpm@linux-foundation.org> To: akpm@linux-foundation.org, alex@ghiti.fr, aou@eecs.berkeley.edu, ard.biesheuvel@linaro.org, arnd@arndb.de, benh@kernel.crashing.org, borntraeger@de.ibm.com, bp@alien8.de, catalin.marinas@arm.com, dave.hansen@linux.intel.com, davem@davemloft.net, gor@linux.ibm.com, heiko.carstens@de.ibm.com, hpa@zytor.com, james.morse@arm.com, jglisse@redhat.com, jhogan@kernel.org, kan.liang@linux.intel.com, linux-mm@kvack.org, linux@armlinux.org.uk, luto@kernel.org, mark.rutland@arm.com, mingo@redhat.com, mm-commits@vger.kernel.org, mpe@ellerman.id.au, paul.burton@mips.com, paul.walmsley@sifive.com, paulus@samba.org, peterz@infradead.org, ralf@linux-mips.org, steven.price@arm.com, tglx@linutronix.de, torvalds@linux-foundation.org, vgupta@synopsys.com, will@kernel.org, zong.li@sifive.com Subject: [patch 24/67] mm: add generic p?d_leaf() macros Message-ID: <20200204013501.ASy8aLxPD%akpm@linux-foundation.org> In-Reply-To: <20200203173311.6269a8be06a05e5a4aa08a93@linux-foundation.org> User-Agent: s-nail v14.8.16 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: <linux-mm.kvack.org> |
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[01/67] ocfs2: fix oops when writing cloned file
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--- a/include/asm-generic/pgtable.h~mm-add-generic-pd_leaf-macros +++ a/include/asm-generic/pgtable.h @@ -1238,4 +1238,24 @@ static inline bool arch_has_pfn_modify_c #define mm_pmd_folded(mm) __is_defined(__PAGETABLE_PMD_FOLDED) #endif +/* + * p?d_leaf() - true if this entry is a final mapping to a physical address. + * This differs from p?d_huge() by the fact that they are always available (if + * the architecture supports large pages at the appropriate level) even + * if CONFIG_HUGETLB_PAGE is not defined. + * Only meaningful when called on a valid entry. + */ +#ifndef pgd_leaf +#define pgd_leaf(x) 0 +#endif +#ifndef p4d_leaf +#define p4d_leaf(x) 0 +#endif +#ifndef pud_leaf +#define pud_leaf(x) 0 +#endif +#ifndef pmd_leaf +#define pmd_leaf(x) 0 +#endif + #endif /* _ASM_GENERIC_PGTABLE_H */