From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Kirill A. Shutemov" Subject: [PATCHv4 03/12] arm/mm: Provide pmdp_establish() helper Date: Wed, 13 Dec 2017 13:57:47 +0300 Message-ID: <20171213105756.69879-4-kirill.shutemov@linux.intel.com> References: <20171213105756.69879-1-kirill.shutemov@linux.intel.com> Return-path: In-Reply-To: <20171213105756.69879-1-kirill.shutemov@linux.intel.com> Sender: owner-linux-mm@kvack.org To: Andrew Morton Cc: Vlastimil Babka , Andrea Arcangeli , Michal Hocko , linux-arch@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, "Kirill A. Shutemov" , Catalin Marinas List-Id: linux-arch.vger.kernel.org ARM LPAE doesn't have hardware dirty/accessed bits. generic_pmdp_establish() is the right implementation of pmdp_establish for this case. Signed-off-by: Kirill A. Shutemov Cc: Catalin Marinas --- arch/arm/include/asm/pgtable-3level.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm/include/asm/pgtable-3level.h b/arch/arm/include/asm/pgtable-3level.h index 1a7a17b2a1ba..2a4836087358 100644 --- a/arch/arm/include/asm/pgtable-3level.h +++ b/arch/arm/include/asm/pgtable-3level.h @@ -249,6 +249,9 @@ PMD_BIT_FUNC(mkyoung, |= PMD_SECT_AF); #define pfn_pmd(pfn,prot) (__pmd(((phys_addr_t)(pfn) << PAGE_SHIFT) | pgprot_val(prot))) #define mk_pmd(page,prot) pfn_pmd(page_to_pfn(page),prot) +/* No hardware dirty/accessed bits -- generic_pmdp_establish() fits */ +#define pmdp_establish generic_pmdp_establish + /* represent a notpresent pmd by faulting entry, this is used by pmdp_invalidate */ static inline pmd_t pmd_mknotpresent(pmd_t pmd) { -- 2.15.0 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga01.intel.com ([192.55.52.88]:65398 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752647AbdLMK7J (ORCPT ); Wed, 13 Dec 2017 05:59:09 -0500 From: "Kirill A. Shutemov" Subject: [PATCHv4 03/12] arm/mm: Provide pmdp_establish() helper Date: Wed, 13 Dec 2017 13:57:47 +0300 Message-ID: <20171213105756.69879-4-kirill.shutemov@linux.intel.com> In-Reply-To: <20171213105756.69879-1-kirill.shutemov@linux.intel.com> References: <20171213105756.69879-1-kirill.shutemov@linux.intel.com> Sender: linux-arch-owner@vger.kernel.org List-ID: To: Andrew Morton Cc: Vlastimil Babka , Andrea Arcangeli , Michal Hocko , linux-arch@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, "Kirill A. Shutemov" , Catalin Marinas Message-ID: <20171213105747.IqLEvYg_33YXt5MzqpXPikeSWAL_4DMDI08FpHEV2ps@z> ARM LPAE doesn't have hardware dirty/accessed bits. generic_pmdp_establish() is the right implementation of pmdp_establish for this case. Signed-off-by: Kirill A. Shutemov Cc: Catalin Marinas --- arch/arm/include/asm/pgtable-3level.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm/include/asm/pgtable-3level.h b/arch/arm/include/asm/pgtable-3level.h index 1a7a17b2a1ba..2a4836087358 100644 --- a/arch/arm/include/asm/pgtable-3level.h +++ b/arch/arm/include/asm/pgtable-3level.h @@ -249,6 +249,9 @@ PMD_BIT_FUNC(mkyoung, |= PMD_SECT_AF); #define pfn_pmd(pfn,prot) (__pmd(((phys_addr_t)(pfn) << PAGE_SHIFT) | pgprot_val(prot))) #define mk_pmd(page,prot) pfn_pmd(page_to_pfn(page),prot) +/* No hardware dirty/accessed bits -- generic_pmdp_establish() fits */ +#define pmdp_establish generic_pmdp_establish + /* represent a notpresent pmd by faulting entry, this is used by pmdp_invalidate */ static inline pmd_t pmd_mknotpresent(pmd_t pmd) { -- 2.15.0