From: Anshuman Khandual <anshuman.khandual@arm.com>
To: linux-mm@kvack.org, linux-arm-kernel@lists.infradead.org
Cc: mark.rutland@arm.com,
Anshuman Khandual <anshuman.khandual@arm.com>,
catalin.marinas@arm.com, Suzuki Poulose <suzuki.poulose@arm.com>,
linux-kernel@vger.kernel.org, ziy@nvidia.com,
Marc Zyngier <maz@kernel.org>,
will@kernel.org
Subject: [RFC V2 0/2] arm64/mm: Enable THP migration
Date: Mon, 15 Jun 2020 18:45:16 +0530 [thread overview]
Message-ID: <1592226918-26378-1-git-send-email-anshuman.khandual@arm.com> (raw)
This series enables THP migration on arm64 via ARCH_ENABLE_THP_MIGRATION.
But first this modifies all existing THP helpers like pmd_present() and
pmd_trans_huge() etc per expected generic memory semantics as concluded
from a previous discussion here.
https://lkml.org/lkml/2018/10/9/220
This series is based on v5.8-rc1.
Changes in RFC V2:
- Used PMD_TABLE_BIT to represent splitting PMD state per Catalin
Changes in RFC V1: (https://patchwork.kernel.org/project/linux-mm/list/?series=138797)
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Marc Zyngier <maz@kernel.org>
Cc: Suzuki Poulose <suzuki.poulose@arm.com>
Cc: Zi Yan <ziy@nvidia.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Anshuman Khandual (2):
arm64/mm: Change THP helpers per generic memory semantics
arm64/mm: Enable THP migration
arch/arm64/Kconfig | 4 ++
arch/arm64/include/asm/pgtable.h | 102 +++++++++++++++++++++++++++----
arch/arm64/mm/hugetlbpage.c | 2 +-
arch/arm64/mm/mmu.c | 20 ++++++
4 files changed, 116 insertions(+), 12 deletions(-)
--
2.20.1
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next reply other threads:[~2020-06-15 13:15 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-15 13:15 Anshuman Khandual [this message]
2020-06-15 13:15 ` [RFC V2 1/2] arm64/mm: Change THP helpers per generic memory semantics Anshuman Khandual
2020-07-02 12:11 ` Catalin Marinas
2020-07-06 3:57 ` Anshuman Khandual
2020-07-07 17:44 ` Catalin Marinas
2020-08-17 5:43 ` Anshuman Khandual
2020-06-15 13:15 ` [RFC V2 2/2] arm64/mm: Enable THP migration Anshuman Khandual
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