From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6755ACA9EA1 for ; Fri, 18 Oct 2019 10:15:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4A37121D7C for ; Fri, 18 Oct 2019 10:15:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2442467AbfJRKNs (ORCPT ); Fri, 18 Oct 2019 06:13:48 -0400 Received: from [217.140.110.172] ([217.140.110.172]:60990 "EHLO foss.arm.com" rhost-flags-FAIL-FAIL-OK-OK) by vger.kernel.org with ESMTP id S2442436AbfJRKNq (ORCPT ); Fri, 18 Oct 2019 06:13:46 -0400 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 F0EB255D; Fri, 18 Oct 2019 03:13:18 -0700 (PDT) Received: from e112269-lin.cambridge.arm.com (e112269-lin.cambridge.arm.com [10.1.194.43]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id D51043F6C4; Fri, 18 Oct 2019 03:13:15 -0700 (PDT) From: Steven Price To: linux-mm@kvack.org Cc: Steven Price , Andy Lutomirski , Ard Biesheuvel , Arnd Bergmann , Borislav Petkov , Catalin Marinas , Dave Hansen , Ingo Molnar , James Morse , =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , Peter Zijlstra , Thomas Gleixner , Will Deacon , x86@kernel.org, "H. Peter Anvin" , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Mark Rutland , "Liang, Kan" , Andrew Morton , Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , linuxppc-dev@lists.ozlabs.org, kvm-ppc@vger.kernel.org Subject: [PATCH v12 06/22] powerpc: mm: Add p?d_leaf() definitions Date: Fri, 18 Oct 2019 11:12:32 +0100 Message-Id: <20191018101248.33727-7-steven.price@arm.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191018101248.33727-1-steven.price@arm.com> References: <20191018101248.33727-1-steven.price@arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org walk_page_range() is going to be allowed to walk page tables other than those of user space. For this it needs to know when it has reached a 'leaf' entry in the page tables. This information is provided by the p?d_leaf() functions/macros. For powerpc pmd_large() already exists and does what we want, so hoist it out of the CONFIG_TRANSPARENT_HUGEPAGE condition and implement the other levels. Macros are used to provide the generic p?d_leaf() names. CC: Benjamin Herrenschmidt CC: Paul Mackerras CC: Michael Ellerman CC: linuxppc-dev@lists.ozlabs.org CC: kvm-ppc@vger.kernel.org Signed-off-by: Steven Price --- arch/powerpc/include/asm/book3s/64/pgtable.h | 30 ++++++++++++++------ 1 file changed, 21 insertions(+), 9 deletions(-) diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h b/arch/powerpc/include/asm/book3s/64/pgtable.h index b01624e5c467..3dd7b6f5edd0 100644 --- a/arch/powerpc/include/asm/book3s/64/pgtable.h +++ b/arch/powerpc/include/asm/book3s/64/pgtable.h @@ -923,6 +923,12 @@ static inline int pud_present(pud_t pud) return !!(pud_raw(pud) & cpu_to_be64(_PAGE_PRESENT)); } +#define pud_leaf pud_large +static inline int pud_large(pud_t pud) +{ + return !!(pud_raw(pud) & cpu_to_be64(_PAGE_PTE)); +} + extern struct page *pud_page(pud_t pud); extern struct page *pmd_page(pmd_t pmd); static inline pte_t pud_pte(pud_t pud) @@ -966,6 +972,12 @@ static inline int pgd_present(pgd_t pgd) return !!(pgd_raw(pgd) & cpu_to_be64(_PAGE_PRESENT)); } +#define pgd_leaf pgd_large +static inline int pgd_large(pgd_t pgd) +{ + return !!(pgd_raw(pgd) & cpu_to_be64(_PAGE_PTE)); +} + static inline pte_t pgd_pte(pgd_t pgd) { return __pte_raw(pgd_raw(pgd)); @@ -1133,6 +1145,15 @@ static inline bool pmd_access_permitted(pmd_t pmd, bool write) return pte_access_permitted(pmd_pte(pmd), write); } +#define pmd_leaf pmd_large +/* + * returns true for pmd migration entries, THP, devmap, hugetlb + */ +static inline int pmd_large(pmd_t pmd) +{ + return !!(pmd_raw(pmd) & cpu_to_be64(_PAGE_PTE)); +} + #ifdef CONFIG_TRANSPARENT_HUGEPAGE extern pmd_t pfn_pmd(unsigned long pfn, pgprot_t pgprot); extern pmd_t mk_pmd(struct page *page, pgprot_t pgprot); @@ -1159,15 +1180,6 @@ pmd_hugepage_update(struct mm_struct *mm, unsigned long addr, pmd_t *pmdp, return hash__pmd_hugepage_update(mm, addr, pmdp, clr, set); } -/* - * returns true for pmd migration entries, THP, devmap, hugetlb - * But compile time dependent on THP config - */ -static inline int pmd_large(pmd_t pmd) -{ - return !!(pmd_raw(pmd) & cpu_to_be64(_PAGE_PTE)); -} - static inline pmd_t pmd_mknotpresent(pmd_t pmd) { return __pmd(pmd_val(pmd) & ~_PAGE_PRESENT); -- 2.20.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0835BCA9EA1 for ; Fri, 18 Oct 2019 10:16:56 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 753B5222C5 for ; Fri, 18 Oct 2019 10:16:55 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 753B5222C5 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 46vhlm3brHzDrTG for ; Fri, 18 Oct 2019 21:16:52 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=arm.com (client-ip=217.140.110.172; helo=foss.arm.com; envelope-from=steven.price@arm.com; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=arm.com Received: from foss.arm.com (unknown [217.140.110.172]) by lists.ozlabs.org (Postfix) with ESMTP id 46vhgx0R0VzDrQm for ; Fri, 18 Oct 2019 21:13:31 +1100 (AEDT) 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 F0EB255D; Fri, 18 Oct 2019 03:13:18 -0700 (PDT) Received: from e112269-lin.cambridge.arm.com (e112269-lin.cambridge.arm.com [10.1.194.43]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id D51043F6C4; Fri, 18 Oct 2019 03:13:15 -0700 (PDT) From: Steven Price To: linux-mm@kvack.org Subject: [PATCH v12 06/22] powerpc: mm: Add p?d_leaf() definitions Date: Fri, 18 Oct 2019 11:12:32 +0100 Message-Id: <20191018101248.33727-7-steven.price@arm.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191018101248.33727-1-steven.price@arm.com> References: <20191018101248.33727-1-steven.price@arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , Peter Zijlstra , Dave Hansen , Paul Mackerras , "H. Peter Anvin" , Will Deacon , "Liang, Kan" , x86@kernel.org, Steven Price , Ingo Molnar , Catalin Marinas , Arnd Bergmann , kvm-ppc@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , Borislav Petkov , Andy Lutomirski , Thomas Gleixner , linux-arm-kernel@lists.infradead.org, Ard Biesheuvel , linux-kernel@vger.kernel.org, James Morse , Andrew Morton , linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" walk_page_range() is going to be allowed to walk page tables other than those of user space. For this it needs to know when it has reached a 'leaf' entry in the page tables. This information is provided by the p?d_leaf() functions/macros. For powerpc pmd_large() already exists and does what we want, so hoist it out of the CONFIG_TRANSPARENT_HUGEPAGE condition and implement the other levels. Macros are used to provide the generic p?d_leaf() names. CC: Benjamin Herrenschmidt CC: Paul Mackerras CC: Michael Ellerman CC: linuxppc-dev@lists.ozlabs.org CC: kvm-ppc@vger.kernel.org Signed-off-by: Steven Price --- arch/powerpc/include/asm/book3s/64/pgtable.h | 30 ++++++++++++++------ 1 file changed, 21 insertions(+), 9 deletions(-) diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h b/arch/powerpc/include/asm/book3s/64/pgtable.h index b01624e5c467..3dd7b6f5edd0 100644 --- a/arch/powerpc/include/asm/book3s/64/pgtable.h +++ b/arch/powerpc/include/asm/book3s/64/pgtable.h @@ -923,6 +923,12 @@ static inline int pud_present(pud_t pud) return !!(pud_raw(pud) & cpu_to_be64(_PAGE_PRESENT)); } +#define pud_leaf pud_large +static inline int pud_large(pud_t pud) +{ + return !!(pud_raw(pud) & cpu_to_be64(_PAGE_PTE)); +} + extern struct page *pud_page(pud_t pud); extern struct page *pmd_page(pmd_t pmd); static inline pte_t pud_pte(pud_t pud) @@ -966,6 +972,12 @@ static inline int pgd_present(pgd_t pgd) return !!(pgd_raw(pgd) & cpu_to_be64(_PAGE_PRESENT)); } +#define pgd_leaf pgd_large +static inline int pgd_large(pgd_t pgd) +{ + return !!(pgd_raw(pgd) & cpu_to_be64(_PAGE_PTE)); +} + static inline pte_t pgd_pte(pgd_t pgd) { return __pte_raw(pgd_raw(pgd)); @@ -1133,6 +1145,15 @@ static inline bool pmd_access_permitted(pmd_t pmd, bool write) return pte_access_permitted(pmd_pte(pmd), write); } +#define pmd_leaf pmd_large +/* + * returns true for pmd migration entries, THP, devmap, hugetlb + */ +static inline int pmd_large(pmd_t pmd) +{ + return !!(pmd_raw(pmd) & cpu_to_be64(_PAGE_PTE)); +} + #ifdef CONFIG_TRANSPARENT_HUGEPAGE extern pmd_t pfn_pmd(unsigned long pfn, pgprot_t pgprot); extern pmd_t mk_pmd(struct page *page, pgprot_t pgprot); @@ -1159,15 +1180,6 @@ pmd_hugepage_update(struct mm_struct *mm, unsigned long addr, pmd_t *pmdp, return hash__pmd_hugepage_update(mm, addr, pmdp, clr, set); } -/* - * returns true for pmd migration entries, THP, devmap, hugetlb - * But compile time dependent on THP config - */ -static inline int pmd_large(pmd_t pmd) -{ - return !!(pmd_raw(pmd) & cpu_to_be64(_PAGE_PTE)); -} - static inline pmd_t pmd_mknotpresent(pmd_t pmd) { return __pmd(pmd_val(pmd) & ~_PAGE_PRESENT); -- 2.20.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 04F8ECA9EA1 for ; Fri, 18 Oct 2019 10:16:37 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id ADAA4222C3 for ; Fri, 18 Oct 2019 10:16:36 +0000 (UTC) Authentication-Results: mail.kernel.org; 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Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iLPJ9-00043i-UI; Fri, 18 Oct 2019 10:16:31 +0000 Received: from [217.140.110.172] (helo=foss.arm.com) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iLPG7-0000ET-1n for linux-arm-kernel@lists.infradead.org; Fri, 18 Oct 2019 10:13:26 +0000 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 F0EB255D; Fri, 18 Oct 2019 03:13:18 -0700 (PDT) Received: from e112269-lin.cambridge.arm.com (e112269-lin.cambridge.arm.com [10.1.194.43]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id D51043F6C4; Fri, 18 Oct 2019 03:13:15 -0700 (PDT) From: Steven Price To: linux-mm@kvack.org Subject: [PATCH v12 06/22] powerpc: mm: Add p?d_leaf() definitions Date: Fri, 18 Oct 2019 11:12:32 +0100 Message-Id: <20191018101248.33727-7-steven.price@arm.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191018101248.33727-1-steven.price@arm.com> References: <20191018101248.33727-1-steven.price@arm.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191018_031323_173244_4ABBA904 X-CRM114-Status: GOOD ( 11.37 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , Peter Zijlstra , Benjamin Herrenschmidt , Dave Hansen , Paul Mackerras , "H. Peter Anvin" , Will Deacon , "Liang, Kan" , Michael Ellerman , x86@kernel.org, Steven Price , Ingo Molnar , Catalin Marinas , Arnd Bergmann , kvm-ppc@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , Borislav Petkov , Andy Lutomirski , Thomas Gleixner , linux-arm-kernel@lists.infradead.org, Ard Biesheuvel , linux-kernel@vger.kernel.org, James Morse , Andrew Morton , linuxppc-dev@lists.ozlabs.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org walk_page_range() is going to be allowed to walk page tables other than those of user space. For this it needs to know when it has reached a 'leaf' entry in the page tables. This information is provided by the p?d_leaf() functions/macros. For powerpc pmd_large() already exists and does what we want, so hoist it out of the CONFIG_TRANSPARENT_HUGEPAGE condition and implement the other levels. Macros are used to provide the generic p?d_leaf() names. CC: Benjamin Herrenschmidt CC: Paul Mackerras CC: Michael Ellerman CC: linuxppc-dev@lists.ozlabs.org CC: kvm-ppc@vger.kernel.org Signed-off-by: Steven Price --- arch/powerpc/include/asm/book3s/64/pgtable.h | 30 ++++++++++++++------ 1 file changed, 21 insertions(+), 9 deletions(-) diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h b/arch/powerpc/include/asm/book3s/64/pgtable.h index b01624e5c467..3dd7b6f5edd0 100644 --- a/arch/powerpc/include/asm/book3s/64/pgtable.h +++ b/arch/powerpc/include/asm/book3s/64/pgtable.h @@ -923,6 +923,12 @@ static inline int pud_present(pud_t pud) return !!(pud_raw(pud) & cpu_to_be64(_PAGE_PRESENT)); } +#define pud_leaf pud_large +static inline int pud_large(pud_t pud) +{ + return !!(pud_raw(pud) & cpu_to_be64(_PAGE_PTE)); +} + extern struct page *pud_page(pud_t pud); extern struct page *pmd_page(pmd_t pmd); static inline pte_t pud_pte(pud_t pud) @@ -966,6 +972,12 @@ static inline int pgd_present(pgd_t pgd) return !!(pgd_raw(pgd) & cpu_to_be64(_PAGE_PRESENT)); } +#define pgd_leaf pgd_large +static inline int pgd_large(pgd_t pgd) +{ + return !!(pgd_raw(pgd) & cpu_to_be64(_PAGE_PTE)); +} + static inline pte_t pgd_pte(pgd_t pgd) { return __pte_raw(pgd_raw(pgd)); @@ -1133,6 +1145,15 @@ static inline bool pmd_access_permitted(pmd_t pmd, bool write) return pte_access_permitted(pmd_pte(pmd), write); } +#define pmd_leaf pmd_large +/* + * returns true for pmd migration entries, THP, devmap, hugetlb + */ +static inline int pmd_large(pmd_t pmd) +{ + return !!(pmd_raw(pmd) & cpu_to_be64(_PAGE_PTE)); +} + #ifdef CONFIG_TRANSPARENT_HUGEPAGE extern pmd_t pfn_pmd(unsigned long pfn, pgprot_t pgprot); extern pmd_t mk_pmd(struct page *page, pgprot_t pgprot); @@ -1159,15 +1180,6 @@ pmd_hugepage_update(struct mm_struct *mm, unsigned long addr, pmd_t *pmdp, return hash__pmd_hugepage_update(mm, addr, pmdp, clr, set); } -/* - * returns true for pmd migration entries, THP, devmap, hugetlb - * But compile time dependent on THP config - */ -static inline int pmd_large(pmd_t pmd) -{ - return !!(pmd_raw(pmd) & cpu_to_be64(_PAGE_PTE)); -} - static inline pmd_t pmd_mknotpresent(pmd_t pmd) { return __pmd(pmd_val(pmd) & ~_PAGE_PRESENT); -- 2.20.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel From mboxrd@z Thu Jan 1 00:00:00 1970 From: Steven Price Date: Fri, 18 Oct 2019 10:12:32 +0000 Subject: [PATCH v12 06/22] powerpc: mm: Add p?d_leaf() definitions Message-Id: <20191018101248.33727-7-steven.price@arm.com> List-Id: References: <20191018101248.33727-1-steven.price@arm.com> In-Reply-To: <20191018101248.33727-1-steven.price@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-mm@kvack.org Cc: Steven Price , Andy Lutomirski , Ard Biesheuvel , Arnd Bergmann , Borislav Petkov , Catalin Marinas , Dave Hansen , Ingo Molnar , James Morse , =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , Peter Zijlstra , Thomas Gleixner , Will Deacon , x86@kernel.org, "H. Peter Anvin" , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Mark Rutland , "Liang, Kan" , Andrew Morton , Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , linuxppc-dev@lists.ozlabs.org, kvm-ppc@vger.kernel.org walk_page_range() is going to be allowed to walk page tables other than those of user space. For this it needs to know when it has reached a 'leaf' entry in the page tables. This information is provided by the p?d_leaf() functions/macros. For powerpc pmd_large() already exists and does what we want, so hoist it out of the CONFIG_TRANSPARENT_HUGEPAGE condition and implement the other levels. Macros are used to provide the generic p?d_leaf() names. CC: Benjamin Herrenschmidt CC: Paul Mackerras CC: Michael Ellerman CC: linuxppc-dev@lists.ozlabs.org CC: kvm-ppc@vger.kernel.org Signed-off-by: Steven Price --- arch/powerpc/include/asm/book3s/64/pgtable.h | 30 ++++++++++++++------ 1 file changed, 21 insertions(+), 9 deletions(-) diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h b/arch/powerpc/include/asm/book3s/64/pgtable.h index b01624e5c467..3dd7b6f5edd0 100644 --- a/arch/powerpc/include/asm/book3s/64/pgtable.h +++ b/arch/powerpc/include/asm/book3s/64/pgtable.h @@ -923,6 +923,12 @@ static inline int pud_present(pud_t pud) return !!(pud_raw(pud) & cpu_to_be64(_PAGE_PRESENT)); } +#define pud_leaf pud_large +static inline int pud_large(pud_t pud) +{ + return !!(pud_raw(pud) & cpu_to_be64(_PAGE_PTE)); +} + extern struct page *pud_page(pud_t pud); extern struct page *pmd_page(pmd_t pmd); static inline pte_t pud_pte(pud_t pud) @@ -966,6 +972,12 @@ static inline int pgd_present(pgd_t pgd) return !!(pgd_raw(pgd) & cpu_to_be64(_PAGE_PRESENT)); } +#define pgd_leaf pgd_large +static inline int pgd_large(pgd_t pgd) +{ + return !!(pgd_raw(pgd) & cpu_to_be64(_PAGE_PTE)); +} + static inline pte_t pgd_pte(pgd_t pgd) { return __pte_raw(pgd_raw(pgd)); @@ -1133,6 +1145,15 @@ static inline bool pmd_access_permitted(pmd_t pmd, bool write) return pte_access_permitted(pmd_pte(pmd), write); } +#define pmd_leaf pmd_large +/* + * returns true for pmd migration entries, THP, devmap, hugetlb + */ +static inline int pmd_large(pmd_t pmd) +{ + return !!(pmd_raw(pmd) & cpu_to_be64(_PAGE_PTE)); +} + #ifdef CONFIG_TRANSPARENT_HUGEPAGE extern pmd_t pfn_pmd(unsigned long pfn, pgprot_t pgprot); extern pmd_t mk_pmd(struct page *page, pgprot_t pgprot); @@ -1159,15 +1180,6 @@ pmd_hugepage_update(struct mm_struct *mm, unsigned long addr, pmd_t *pmdp, return hash__pmd_hugepage_update(mm, addr, pmdp, clr, set); } -/* - * returns true for pmd migration entries, THP, devmap, hugetlb - * But compile time dependent on THP config - */ -static inline int pmd_large(pmd_t pmd) -{ - return !!(pmd_raw(pmd) & cpu_to_be64(_PAGE_PTE)); -} - static inline pmd_t pmd_mknotpresent(pmd_t pmd) { return __pmd(pmd_val(pmd) & ~_PAGE_PRESENT); -- 2.20.1