The patch titled
Subject: arm64/mm: enable HugeTLB migration
has been added to the -mm tree. Its filename is
arm64-mm-enable-hugetlb-migration.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/arm64-mm-enable-hugetlb-migration.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/arm64-mm-enable-hugetlb-migration.patch
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------------------------------------------------------
From: Anshuman Khandual <anshuman.khandual@xxxxxxx>
Subject: arm64/mm: enable HugeTLB migration
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
Link: http://lkml.kernel.org/r/1545121450-1663-5-git-send-email-anshuman.khandual@xxxxxxx
Signed-off-by: Anshuman Khandual <anshuman.khandual@xxxxxxx>
Reviewed-by: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx>
Reviewed-by: Steve Capper <steve.capper@xxxxxxx>
Acked-by: Catalin Marinas <catalin.marinas@xxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
--- a/arch/arm64/Kconfig~arm64-mm-enable-hugetlb-migration
+++ a/arch/arm64/Kconfig
@@ -1467,6 +1467,10 @@ 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"
_
Patches currently in -mm which might be from anshuman.khandual@xxxxxxx are
mm-replace-all-open-encodings-for-numa_no_node.patch
mm-hugetlb-distinguish-between-migratability-and-movability.patch
mm-hugetlb-enable-pud-level-huge-page-migration.patch
mm-hugetlb-enable-arch-specific-huge-page-size-support-for-migration.patch
arm64-mm-enable-hugetlb-migration.patch
arm64-mm-enable-hugetlb-migration-for-contiguous-bit-hugetlb-pages.patch
