From: Anshuman Khandual <anshuman.khandual@arm.com> To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Cc: "Anshuman Khandual" <anshuman.khandual@arm.com>, "Catalin Marinas" <catalin.marinas@arm.com>, "Will Deacon" <will@kernel.org>, "Ard Biesheuvel" <ardb@kernel.org>, "Mark Rutland" <mark.rutland@arm.com>, "James Morse" <james.morse@arm.com>, "Robin Murphy" <robin.murphy@arm.com>, "Jérôme Glisse" <jglisse@redhat.com>, "Dan Williams" <dan.j.williams@intel.com>, "David Hildenbrand" <david@redhat.com>, "Mike Rapoport" <rppt@linux.ibm.com> Subject: [PATCH V2 0/2] arm64/mm: Fix pfn_valid() for ZONE_DEVICE based memory Date: Tue, 2 Feb 2021 09:41:52 +0530 [thread overview] Message-ID: <1612239114-28428-1-git-send-email-anshuman.khandual@arm.com> (raw) This series fixes pfn_valid() for ZONE_DEVICE based memory and also improves its performance for normal hotplug memory. While here, it also reorganizes pfn_valid() on CONFIG_SPARSEMEM. This series is based on v5.11-rc6. Question - should pfn_section_valid() be tested both for boot and non boot memory as well ? Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Ard Biesheuvel <ardb@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: James Morse <james.morse@arm.com> Cc: Robin Murphy <robin.murphy@arm.com> Cc: Jérôme Glisse <jglisse@redhat.com> Cc: Dan Williams <dan.j.williams@intel.com> Cc: David Hildenbrand <david@redhat.com> Cc: Mike Rapoport <rppt@linux.ibm.com> Cc: linux-arm-kernel@lists.infradead.org Cc: linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org Changes in V2: - Dropped pfn_valid() bifurcation based on CONFIG_SPARSEMEM - Used PFN_PHYS() and PHYS_PFN() instead of __pfn_to_phys() and __phys_to_pfn() - Moved __pfn_to_section() inside #ifdef CONFIG_SPARSEMEM with a { } construct Changes in V1: https://lore.kernel.org/linux-mm/1611905986-20155-1-git-send-email-anshuman.khandual@arm.com/ - Test pfn_section_valid() for non boot memory Changes in RFC: https://lore.kernel.org/linux-arm-kernel/1608621144-4001-1-git-send-email-anshuman.khandual@arm.com/ Anshuman Khandual (2): arm64/mm: Fix pfn_valid() for ZONE_DEVICE based memory arm64/mm: Reorganize pfn_valid() arch/arm64/mm/init.c | 28 +++++++++++++++++++++++++--- 1 file changed, 25 insertions(+), 3 deletions(-) -- 2.20.1
WARNING: multiple messages have this Message-ID (diff)
From: Anshuman Khandual <anshuman.khandual@arm.com> To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Cc: "Mark Rutland" <mark.rutland@arm.com>, "Anshuman Khandual" <anshuman.khandual@arm.com>, "Catalin Marinas" <catalin.marinas@arm.com>, "David Hildenbrand" <david@redhat.com>, "Robin Murphy" <robin.murphy@arm.com>, "Mike Rapoport" <rppt@linux.ibm.com>, "Jérôme Glisse" <jglisse@redhat.com>, "James Morse" <james.morse@arm.com>, "Dan Williams" <dan.j.williams@intel.com>, "Will Deacon" <will@kernel.org>, "Ard Biesheuvel" <ardb@kernel.org> Subject: [PATCH V2 0/2] arm64/mm: Fix pfn_valid() for ZONE_DEVICE based memory Date: Tue, 2 Feb 2021 09:41:52 +0530 [thread overview] Message-ID: <1612239114-28428-1-git-send-email-anshuman.khandual@arm.com> (raw) This series fixes pfn_valid() for ZONE_DEVICE based memory and also improves its performance for normal hotplug memory. While here, it also reorganizes pfn_valid() on CONFIG_SPARSEMEM. This series is based on v5.11-rc6. Question - should pfn_section_valid() be tested both for boot and non boot memory as well ? Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Ard Biesheuvel <ardb@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: James Morse <james.morse@arm.com> Cc: Robin Murphy <robin.murphy@arm.com> Cc: Jérôme Glisse <jglisse@redhat.com> Cc: Dan Williams <dan.j.williams@intel.com> Cc: David Hildenbrand <david@redhat.com> Cc: Mike Rapoport <rppt@linux.ibm.com> Cc: linux-arm-kernel@lists.infradead.org Cc: linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org Changes in V2: - Dropped pfn_valid() bifurcation based on CONFIG_SPARSEMEM - Used PFN_PHYS() and PHYS_PFN() instead of __pfn_to_phys() and __phys_to_pfn() - Moved __pfn_to_section() inside #ifdef CONFIG_SPARSEMEM with a { } construct Changes in V1: https://lore.kernel.org/linux-mm/1611905986-20155-1-git-send-email-anshuman.khandual@arm.com/ - Test pfn_section_valid() for non boot memory Changes in RFC: https://lore.kernel.org/linux-arm-kernel/1608621144-4001-1-git-send-email-anshuman.khandual@arm.com/ Anshuman Khandual (2): arm64/mm: Fix pfn_valid() for ZONE_DEVICE based memory arm64/mm: Reorganize pfn_valid() arch/arm64/mm/init.c | 28 +++++++++++++++++++++++++--- 1 file changed, 25 insertions(+), 3 deletions(-) -- 2.20.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next reply other threads:[~2021-02-02 4:12 UTC|newest] Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-02-02 4:11 Anshuman Khandual [this message] 2021-02-02 4:11 ` [PATCH V2 0/2] arm64/mm: Fix pfn_valid() for ZONE_DEVICE based memory Anshuman Khandual 2021-02-02 4:11 ` [PATCH V2 1/2] " Anshuman Khandual 2021-02-02 4:11 ` Anshuman Khandual 2021-02-02 12:32 ` Will Deacon 2021-02-02 12:32 ` Will Deacon 2021-02-02 12:35 ` Will Deacon 2021-02-02 12:35 ` Will Deacon 2021-02-02 12:39 ` David Hildenbrand 2021-02-02 12:39 ` David Hildenbrand 2021-02-02 12:51 ` Will Deacon 2021-02-02 12:51 ` Will Deacon 2021-02-02 12:56 ` David Hildenbrand 2021-02-02 12:56 ` David Hildenbrand 2021-02-03 3:50 ` Anshuman Khandual 2021-02-03 3:50 ` Anshuman Khandual 2021-02-05 18:55 ` Will Deacon 2021-02-05 18:55 ` Will Deacon 2021-02-11 11:53 ` Will Deacon 2021-02-11 11:53 ` Will Deacon 2021-02-11 12:10 ` Anshuman Khandual 2021-02-11 12:10 ` Anshuman Khandual 2021-02-11 12:21 ` Will Deacon 2021-02-11 12:21 ` Will Deacon 2021-02-11 12:35 ` David Hildenbrand 2021-02-11 12:35 ` David Hildenbrand 2021-03-03 19:04 ` Catalin Marinas 2021-03-03 19:04 ` Catalin Marinas 2021-03-03 19:24 ` David Hildenbrand 2021-03-03 19:24 ` David Hildenbrand 2021-03-03 21:24 ` Will Deacon 2021-03-03 21:24 ` Will Deacon 2021-03-04 3:31 ` Anshuman Khandual 2021-03-04 3:31 ` Anshuman Khandual 2021-03-04 8:12 ` David Hildenbrand 2021-03-04 8:12 ` David Hildenbrand 2021-03-04 9:36 ` Will Deacon 2021-03-04 9:36 ` Will Deacon 2021-03-05 4:22 ` Anshuman Khandual 2021-03-05 4:22 ` Anshuman Khandual 2021-02-02 4:11 ` [PATCH V2 2/2] arm64/mm: Reorganize pfn_valid() Anshuman Khandual 2021-02-02 4:11 ` Anshuman Khandual 2021-02-02 8:26 ` David Hildenbrand 2021-02-02 8:26 ` David Hildenbrand 2021-02-05 18:52 ` [PATCH V2 0/2] arm64/mm: Fix pfn_valid() for ZONE_DEVICE based memory Will Deacon 2021-02-05 18:52 ` Will Deacon
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