From patchwork Tue Jul 31 06:01:51 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandre Ghiti X-Patchwork-Id: 10550057 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 4D6B9157D for ; Tue, 31 Jul 2018 06:11:01 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3B2062A67E for ; Tue, 31 Jul 2018 06:11:01 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 2E53E2A6B6; Tue, 31 Jul 2018 06:11:01 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A66312A6AD for ; Tue, 31 Jul 2018 06:11:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727409AbeGaHtg (ORCPT ); Tue, 31 Jul 2018 03:49:36 -0400 Received: from relay1-d.mail.gandi.net ([217.70.183.193]:34283 "EHLO relay1-d.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727283AbeGaHtg (ORCPT ); Tue, 31 Jul 2018 03:49:36 -0400 X-Originating-IP: 79.86.19.127 Received: from alex.numericable.fr (127.19.86.79.rev.sfr.net [79.86.19.127]) (Authenticated sender: alex@ghiti.fr) by relay1-d.mail.gandi.net (Postfix) with ESMTPSA id 60D52240003; Tue, 31 Jul 2018 06:10:50 +0000 (UTC) From: Alexandre Ghiti To: linux-mm@kvack.org, mike.kravetz@oracle.com, linux@armlinux.org.uk, catalin.marinas@arm.com, will.deacon@arm.com, tony.luck@intel.com, fenghua.yu@intel.com, ralf@linux-mips.org, paul.burton@mips.com, jhogan@kernel.org, jejb@parisc-linux.org, deller@gmx.de, benh@kernel.crashing.org, paulus@samba.org, mpe@ellerman.id.au, ysato@users.sourceforge.jp, dalias@libc.org, davem@davemloft.net, tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com, x86@kernel.org, arnd@arndb.de, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-ia64@vger.kernel.org, linux-mips@linux-mips.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-arch@vger.kernel.org Cc: Alexandre Ghiti Subject: [PATCH v5 07/11] hugetlb: Introduce generic version of huge_pte_wrprotect Date: Tue, 31 Jul 2018 06:01:51 +0000 Message-Id: <20180731060155.16915-8-alex@ghiti.fr> X-Mailer: git-send-email 2.16.2 In-Reply-To: <20180731060155.16915-1-alex@ghiti.fr> References: <20180731060155.16915-1-alex@ghiti.fr> Sender: linux-sh-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-sh@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP arm, arm64, ia64, mips, parisc, powerpc, sh, sparc, x86 architectures use the same version of huge_pte_wrprotect, so move this generic implementation into asm-generic/hugetlb.h. Signed-off-by: Alexandre Ghiti Reviewed-by: Mike Kravetz --- arch/arm/include/asm/hugetlb.h | 5 ----- arch/arm64/include/asm/hugetlb.h | 5 ----- arch/ia64/include/asm/hugetlb.h | 5 ----- arch/mips/include/asm/hugetlb.h | 5 ----- arch/parisc/include/asm/hugetlb.h | 5 ----- arch/powerpc/include/asm/hugetlb.h | 5 ----- arch/sh/include/asm/hugetlb.h | 5 ----- arch/sparc/include/asm/hugetlb.h | 5 ----- arch/x86/include/asm/hugetlb.h | 5 ----- include/asm-generic/hugetlb.h | 7 +++++++ 10 files changed, 7 insertions(+), 45 deletions(-) diff --git a/arch/arm/include/asm/hugetlb.h b/arch/arm/include/asm/hugetlb.h index c821b550d6a4..9ca14227eeb7 100644 --- a/arch/arm/include/asm/hugetlb.h +++ b/arch/arm/include/asm/hugetlb.h @@ -44,11 +44,6 @@ static inline int prepare_hugepage_range(struct file *file, return 0; } -static inline pte_t huge_pte_wrprotect(pte_t pte) -{ - return pte_wrprotect(pte); -} - static inline void arch_clear_hugepage_flags(struct page *page) { clear_bit(PG_dcache_clean, &page->flags); diff --git a/arch/arm64/include/asm/hugetlb.h b/arch/arm64/include/asm/hugetlb.h index 49247c6f94db..1fd64ebf0cd7 100644 --- a/arch/arm64/include/asm/hugetlb.h +++ b/arch/arm64/include/asm/hugetlb.h @@ -42,11 +42,6 @@ static inline int prepare_hugepage_range(struct file *file, return 0; } -static inline pte_t huge_pte_wrprotect(pte_t pte) -{ - return pte_wrprotect(pte); -} - static inline void arch_clear_hugepage_flags(struct page *page) { clear_bit(PG_dcache_clean, &page->flags); diff --git a/arch/ia64/include/asm/hugetlb.h b/arch/ia64/include/asm/hugetlb.h index bf573500b3c4..82fe3d7a38d9 100644 --- a/arch/ia64/include/asm/hugetlb.h +++ b/arch/ia64/include/asm/hugetlb.h @@ -26,11 +26,6 @@ static inline void huge_ptep_clear_flush(struct vm_area_struct *vma, { } -static inline pte_t huge_pte_wrprotect(pte_t pte) -{ - return pte_wrprotect(pte); -} - static inline void huge_ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, pte_t *ptep) { diff --git a/arch/mips/include/asm/hugetlb.h b/arch/mips/include/asm/hugetlb.h index 1c9c4531376c..b3d6bb53ee6e 100644 --- a/arch/mips/include/asm/hugetlb.h +++ b/arch/mips/include/asm/hugetlb.h @@ -62,11 +62,6 @@ static inline int huge_pte_none(pte_t pte) return !val || (val == (unsigned long)invalid_pte_table); } -static inline pte_t huge_pte_wrprotect(pte_t pte) -{ - return pte_wrprotect(pte); -} - static inline void huge_ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, pte_t *ptep) { diff --git a/arch/parisc/include/asm/hugetlb.h b/arch/parisc/include/asm/hugetlb.h index c09d8c74553c..5a102d7251e4 100644 --- a/arch/parisc/include/asm/hugetlb.h +++ b/arch/parisc/include/asm/hugetlb.h @@ -38,11 +38,6 @@ static inline void huge_ptep_clear_flush(struct vm_area_struct *vma, { } -static inline pte_t huge_pte_wrprotect(pte_t pte) -{ - return pte_wrprotect(pte); -} - void huge_ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, pte_t *ptep); diff --git a/arch/powerpc/include/asm/hugetlb.h b/arch/powerpc/include/asm/hugetlb.h index 3562d46585ba..7123599089c6 100644 --- a/arch/powerpc/include/asm/hugetlb.h +++ b/arch/powerpc/include/asm/hugetlb.h @@ -152,11 +152,6 @@ static inline void huge_ptep_clear_flush(struct vm_area_struct *vma, flush_hugetlb_page(vma, addr); } -static inline pte_t huge_pte_wrprotect(pte_t pte) -{ - return pte_wrprotect(pte); -} - extern int huge_ptep_set_access_flags(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep, pte_t pte, int dirty); diff --git a/arch/sh/include/asm/hugetlb.h b/arch/sh/include/asm/hugetlb.h index a9f8266f33cf..54f65094efe6 100644 --- a/arch/sh/include/asm/hugetlb.h +++ b/arch/sh/include/asm/hugetlb.h @@ -31,11 +31,6 @@ static inline void huge_ptep_clear_flush(struct vm_area_struct *vma, { } -static inline pte_t huge_pte_wrprotect(pte_t pte) -{ - return pte_wrprotect(pte); -} - static inline void huge_ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, pte_t *ptep) { diff --git a/arch/sparc/include/asm/hugetlb.h b/arch/sparc/include/asm/hugetlb.h index 11115bbd712e..f661362376e0 100644 --- a/arch/sparc/include/asm/hugetlb.h +++ b/arch/sparc/include/asm/hugetlb.h @@ -48,11 +48,6 @@ static inline void huge_ptep_clear_flush(struct vm_area_struct *vma, { } -static inline pte_t huge_pte_wrprotect(pte_t pte) -{ - return pte_wrprotect(pte); -} - static inline void huge_ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, pte_t *ptep) { diff --git a/arch/x86/include/asm/hugetlb.h b/arch/x86/include/asm/hugetlb.h index 42d872054791..3cd3a2c9840e 100644 --- a/arch/x86/include/asm/hugetlb.h +++ b/arch/x86/include/asm/hugetlb.h @@ -28,11 +28,6 @@ static inline int prepare_hugepage_range(struct file *file, return 0; } -static inline pte_t huge_pte_wrprotect(pte_t pte) -{ - return pte_wrprotect(pte); -} - static inline void huge_ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, pte_t *ptep) { diff --git a/include/asm-generic/hugetlb.h b/include/asm-generic/hugetlb.h index 2fc3d68424e9..cd9697672b79 100644 --- a/include/asm-generic/hugetlb.h +++ b/include/asm-generic/hugetlb.h @@ -80,4 +80,11 @@ static inline int huge_pte_none(pte_t pte) } #endif +#ifndef __HAVE_ARCH_HUGE_PTE_WRPROTECT +static inline pte_t huge_pte_wrprotect(pte_t pte) +{ + return pte_wrprotect(pte); +} +#endif + #endif /* _ASM_GENERIC_HUGETLB_H */