From: Zi Yan <zi.yan@sent.com> To: linux-kernel@vger.kernel.org, linux-mm@kvack.org Cc: kirill.shutemov@linux.intel.com, akpm@linux-foundation.org, minchan@kernel.org, vbabka@suse.cz, mgorman@techsingularity.net, mhocko@kernel.org, n-horiguchi@ah.jp.nec.com, khandual@linux.vnet.ibm.com, zi.yan@cs.rutgers.edu, dnellans@nvidia.com Subject: [PATCH v4 04/11] mm: thp: introduce CONFIG_ARCH_ENABLE_THP_MIGRATION Date: Mon, 13 Mar 2017 11:45:00 -0400 [thread overview] Message-ID: <20170313154507.3647-5-zi.yan@sent.com> (raw) In-Reply-To: <20170313154507.3647-1-zi.yan@sent.com> From: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Introduces CONFIG_ARCH_ENABLE_THP_MIGRATION to limit thp migration functionality to x86_64, which should be safer at the first step. Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> --- v1 -> v2: - fixed config name in subject and patch description --- arch/x86/Kconfig | 4 ++++ include/linux/huge_mm.h | 10 ++++++++++ mm/Kconfig | 3 +++ 3 files changed, 17 insertions(+) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 69188841717a..a24bc11c7aed 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -2276,6 +2276,10 @@ config ARCH_ENABLE_HUGEPAGE_MIGRATION def_bool y depends on X86_64 && HUGETLB_PAGE && MIGRATION +config ARCH_ENABLE_THP_MIGRATION + def_bool y + depends on X86_64 && TRANSPARENT_HUGEPAGE && MIGRATION + menu "Power management and ACPI options" config ARCH_HIBERNATION_HEADER diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h index a3762d49ba39..1b81cb57ff0f 100644 --- a/include/linux/huge_mm.h +++ b/include/linux/huge_mm.h @@ -212,6 +212,11 @@ void mm_put_huge_zero_page(struct mm_struct *mm); #define mk_huge_pmd(page, prot) pmd_mkhuge(mk_pmd(page, prot)) +static inline bool thp_migration_supported(void) +{ + return IS_ENABLED(CONFIG_ARCH_ENABLE_THP_MIGRATION); +} + #else /* CONFIG_TRANSPARENT_HUGEPAGE */ #define HPAGE_PMD_SHIFT ({ BUILD_BUG(); 0; }) #define HPAGE_PMD_MASK ({ BUILD_BUG(); 0; }) @@ -306,6 +311,11 @@ static inline struct page *follow_devmap_pud(struct vm_area_struct *vma, { return NULL; } + +static inline bool thp_migration_supported(void) +{ + return false; +} #endif /* CONFIG_TRANSPARENT_HUGEPAGE */ #endif /* _LINUX_HUGE_MM_H */ diff --git a/mm/Kconfig b/mm/Kconfig index 9b8fccb969dc..317a2f973720 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -289,6 +289,9 @@ config MIGRATION config ARCH_ENABLE_HUGEPAGE_MIGRATION bool +config ARCH_ENABLE_THP_MIGRATION + bool + config PHYS_ADDR_T_64BIT def_bool 64BIT || ARCH_PHYS_ADDR_T_64BIT -- 2.11.0
WARNING: multiple messages have this Message-ID (diff)
From: Zi Yan <zi.yan@sent.com> To: linux-kernel@vger.kernel.org, linux-mm@kvack.org Cc: kirill.shutemov@linux.intel.com, akpm@linux-foundation.org, minchan@kernel.org, vbabka@suse.cz, mgorman@techsingularity.net, mhocko@kernel.org, n-horiguchi@ah.jp.nec.com, khandual@linux.vnet.ibm.com, zi.yan@cs.rutgers.edu, dnellans@nvidia.com Subject: [PATCH v4 04/11] mm: thp: introduce CONFIG_ARCH_ENABLE_THP_MIGRATION Date: Mon, 13 Mar 2017 11:45:00 -0400 [thread overview] Message-ID: <20170313154507.3647-5-zi.yan@sent.com> (raw) In-Reply-To: <20170313154507.3647-1-zi.yan@sent.com> From: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Introduces CONFIG_ARCH_ENABLE_THP_MIGRATION to limit thp migration functionality to x86_64, which should be safer at the first step. Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> --- v1 -> v2: - fixed config name in subject and patch description --- arch/x86/Kconfig | 4 ++++ include/linux/huge_mm.h | 10 ++++++++++ mm/Kconfig | 3 +++ 3 files changed, 17 insertions(+) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 69188841717a..a24bc11c7aed 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -2276,6 +2276,10 @@ config ARCH_ENABLE_HUGEPAGE_MIGRATION def_bool y depends on X86_64 && HUGETLB_PAGE && MIGRATION +config ARCH_ENABLE_THP_MIGRATION + def_bool y + depends on X86_64 && TRANSPARENT_HUGEPAGE && MIGRATION + menu "Power management and ACPI options" config ARCH_HIBERNATION_HEADER diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h index a3762d49ba39..1b81cb57ff0f 100644 --- a/include/linux/huge_mm.h +++ b/include/linux/huge_mm.h @@ -212,6 +212,11 @@ void mm_put_huge_zero_page(struct mm_struct *mm); #define mk_huge_pmd(page, prot) pmd_mkhuge(mk_pmd(page, prot)) +static inline bool thp_migration_supported(void) +{ + return IS_ENABLED(CONFIG_ARCH_ENABLE_THP_MIGRATION); +} + #else /* CONFIG_TRANSPARENT_HUGEPAGE */ #define HPAGE_PMD_SHIFT ({ BUILD_BUG(); 0; }) #define HPAGE_PMD_MASK ({ BUILD_BUG(); 0; }) @@ -306,6 +311,11 @@ static inline struct page *follow_devmap_pud(struct vm_area_struct *vma, { return NULL; } + +static inline bool thp_migration_supported(void) +{ + return false; +} #endif /* CONFIG_TRANSPARENT_HUGEPAGE */ #endif /* _LINUX_HUGE_MM_H */ diff --git a/mm/Kconfig b/mm/Kconfig index 9b8fccb969dc..317a2f973720 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -289,6 +289,9 @@ config MIGRATION config ARCH_ENABLE_HUGEPAGE_MIGRATION bool +config ARCH_ENABLE_THP_MIGRATION + bool + config PHYS_ADDR_T_64BIT def_bool 64BIT || ARCH_PHYS_ADDR_T_64BIT -- 2.11.0 -- 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: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2017-03-13 15:49 UTC|newest] Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top 2017-03-13 15:44 [PATCH v4 00/11] mm: page migration enhancement for thp Zi Yan 2017-03-13 15:44 ` Zi Yan 2017-03-13 15:44 ` [PATCH v4 01/11] mm: x86: move _PAGE_SWP_SOFT_DIRTY from bit 7 to bit 1 Zi Yan 2017-03-13 15:44 ` Zi Yan 2017-03-24 18:23 ` Tim Chen 2017-03-24 18:23 ` Tim Chen 2017-03-24 18:30 ` Zi Yan 2017-03-24 18:30 ` Zi Yan 2017-03-13 15:44 ` [PATCH v4 02/11] mm: mempolicy: add queue_pages_node_check() Zi Yan 2017-03-13 15:44 ` Zi Yan 2017-03-13 15:44 ` [PATCH v4 03/11] mm: thp: introduce separate TTU flag for thp freezing Zi Yan 2017-03-13 15:44 ` Zi Yan 2017-03-13 15:45 ` Zi Yan [this message] 2017-03-13 15:45 ` [PATCH v4 04/11] mm: thp: introduce CONFIG_ARCH_ENABLE_THP_MIGRATION Zi Yan 2017-03-24 14:10 ` Kirill A. Shutemov 2017-03-24 14:10 ` Kirill A. Shutemov 2017-03-24 14:21 ` Zi Yan 2017-03-24 14:21 ` Zi Yan 2017-03-13 15:45 ` [PATCH v4 05/11] mm: thp: enable thp migration in generic path Zi Yan 2017-03-13 15:45 ` Zi Yan 2017-03-14 21:19 ` kbuild test robot 2017-03-14 21:55 ` Zi Yan 2017-03-14 21:55 ` Zi Yan 2017-03-15 9:01 ` Geert Uytterhoeven 2017-03-15 9:01 ` Geert Uytterhoeven 2017-03-15 16:00 ` Zi Yan 2017-03-15 16:00 ` Zi Yan 2017-03-14 21:26 ` kbuild test robot 2017-03-24 14:28 ` Kirill A. Shutemov 2017-03-24 14:28 ` Kirill A. Shutemov 2017-03-24 15:30 ` Zi Yan 2017-03-24 15:30 ` Zi Yan 2017-03-13 15:45 ` [PATCH v4 06/11] mm: thp: check pmd migration entry in common path Zi Yan 2017-03-13 15:45 ` Zi Yan 2017-03-24 14:50 ` Kirill A. Shutemov 2017-03-24 14:50 ` Kirill A. Shutemov 2017-03-24 16:09 ` Zi Yan 2017-03-24 16:09 ` Zi Yan 2017-03-24 16:50 ` Kirill A. Shutemov 2017-03-24 16:50 ` Kirill A. Shutemov 2017-03-24 17:09 ` Zi Yan 2017-03-24 17:09 ` Zi Yan 2017-03-13 15:45 ` [PATCH v4 07/11] mm: soft-dirty: keep soft-dirty bits over thp migration Zi Yan 2017-03-13 15:45 ` Zi Yan 2017-03-13 15:45 ` [PATCH v4 08/11] mm: hwpoison: soft offline supports " Zi Yan 2017-03-13 15:45 ` Zi Yan 2017-03-13 15:45 ` [PATCH v4 09/11] mm: mempolicy: mbind and migrate_pages support " Zi Yan 2017-03-13 15:45 ` Zi Yan 2017-03-13 15:45 ` [PATCH v4 10/11] mm: migrate: move_pages() supports " Zi Yan 2017-03-13 15:45 ` Zi Yan 2017-03-13 15:45 ` [PATCH v4 11/11] mm: memory_hotplug: memory hotremove " Zi Yan 2017-03-13 15:45 ` Zi Yan
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