hulk inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I9JCV4 --------------------------- Now update of vmemmap page table can follow the rule of break-before-make safely for arm64 architecture, re-enable HVO on arm64. Signed-off-by: Nanyong Sun <sunnanyong@huawei.com> Reviewed-by: Muchun Song <songmuchun@bytedance.com> --- arch/arm64/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 890461d3f5e5..2712d3c73719 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -104,6 +104,7 @@ config ARM64 select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT select ARCH_WANT_FRAME_POINTERS select ARCH_WANT_HUGE_PMD_SHARE if ARM64_4K_PAGES || (ARM64_16K_PAGES && !ARM64_VA_BITS_36) + select ARCH_WANT_OPTIMIZE_HUGETLB_VMEMMAP if !PREEMPT_RT select ARCH_WANT_LD_ORPHAN_WARN select ARCH_WANTS_NO_INSTR select ARCH_WANTS_THP_SWAP if ARM64_4K_PAGES -- 2.25.1