From: Anshuman Khandual <anshuman.khandual@arm.com>
To: linux-mm@kvack.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Cc: suzuki.poulose@arm.com, will.deacon@arm.com,
Steven.Price@arm.com, steve.capper@arm.com,
catalin.marinas@arm.com, mhocko@kernel.org,
akpm@linux-foundation.org, mike.kravetz@oracle.com,
n-horiguchi@ah.jp.nec.com
Subject: [RESEND PATCH V3 4/5] arm64/mm: Enable HugeTLB migration
Date: Tue, 18 Dec 2018 13:54:09 +0530 [thread overview]
Message-ID: <1545121450-1663-5-git-send-email-anshuman.khandual@arm.com> (raw)
In-Reply-To: <1545121450-1663-1-git-send-email-anshuman.khandual@arm.com>
Let arm64 subscribe to generic HugeTLB page migration framework. Right now
this only works on the following PMD and PUD level HugeTLB page sizes with
various kernel base page size combinations.
CONT PTE PMD CONT PMD PUD
-------- --- -------- ---
4K: NA 2M NA 1G
16K: NA 32M NA
64K: NA 512M NA
Reviewed-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Reviewed-by: Steve Capper <steve.capper@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
---
arch/arm64/Kconfig | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index ea2ab03..57d0c4bf 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -1359,6 +1359,10 @@ config SYSVIPC_COMPAT
def_bool y
depends on COMPAT && SYSVIPC
+config ARCH_ENABLE_HUGEPAGE_MIGRATION
+ def_bool y
+ depends on HUGETLB_PAGE && MIGRATION
+
menu "Power management options"
source "kernel/power/Kconfig"
--
2.7.4
next prev parent reply other threads:[~2018-12-18 8:24 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-18 8:24 [RESEND PATCH V3 0/5] " Anshuman Khandual
2018-12-18 8:24 ` [RESEND PATCH V3 1/5] mm/hugetlb: Distinguish between migratability and movability Anshuman Khandual
2018-12-18 8:24 ` [RESEND PATCH V3 2/5] mm/hugetlb: Enable PUD level huge page migration Anshuman Khandual
2018-12-18 8:24 ` [RESEND PATCH V3 3/5] mm/hugetlb: Enable arch specific huge page size support for migration Anshuman Khandual
2018-12-18 8:24 ` Anshuman Khandual [this message]
2018-12-18 8:24 ` [RESEND PATCH V3 5/5] arm64/mm: Enable HugeTLB migration for contiguous bit HugeTLB pages Anshuman Khandual
2019-01-03 5:04 ` [RESEND PATCH V3 0/5] arm64/mm: Enable HugeTLB migration Anshuman Khandual
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