From: Nikita Panov <panov.nikita@huawei.com> kunpeng inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/IBOJU2 ------------------------------------------------- Acked-by: Artem Kuzin <artem.kuzin@huawei.com> Acked-by: Alexander Grubnikov <alexander.grubnikov@huawei.com> Acked-by: Ilya Hanov <ilya.hanov@huawei-partners.com> Acked-by: Denis Darvish <darvish.denis@huawei.com> Signed-off-by: Nikita Panov <panov.nikita@huawei.com> --- arch/arm64/configs/openeuler_defconfig | 1 + mm/Kconfig | 10 ++++++++++ 2 files changed, 11 insertions(+) diff --git a/arch/arm64/configs/openeuler_defconfig b/arch/arm64/configs/openeuler_defconfig index fc6053a500db..28de20ca2d71 100644 --- a/arch/arm64/configs/openeuler_defconfig +++ b/arch/arm64/configs/openeuler_defconfig @@ -1212,6 +1212,7 @@ CONFIG_ARM64_HAFT=y CONFIG_ARCH_SUPPORTS_PER_VMA_LOCK=y CONFIG_PER_VMA_LOCK=y CONFIG_LOCK_MM_AND_FIND_VMA=y +# CONFIG_KERNEL_REPLICATION is not set CONFIG_IOMMU_MM_DATA=y # CONFIG_ASCEND_FEATURES is not set CONFIG_PAGE_CACHE_LIMIT=y diff --git a/mm/Kconfig b/mm/Kconfig index 782c43f08e8f..845ff9619d3e 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -1298,6 +1298,16 @@ config LOCK_MM_AND_FIND_VMA bool depends on !STACK_GROWSUP +config KERNEL_REPLICATION + bool "Enable kernel text and ro-data replication across NUMA nodes" + default n + depends on ARM64 && MMU && NUMA && !MAXSMP + + help + Creates per-NUMA node replicas of kernel text and ro-data sections. + Page tables are replicated partially, according to replicated kernel memory range. + If unsure, say "n". + config IOMMU_MM_DATA bool -- 2.34.1