mremap HAVE_MOVE_PMD/PUD optimization time comparison for 1GB region: 1GB mremap - Source PTE-aligned, Destination PTE-aligned mremap time: 2292772ns 1GB mremap - Source PMD-aligned, Destination PMD-aligned mremap time: 1158928ns 1GB mremap - Source PUD-aligned, Destination PUD-aligned mremap time: 63886ns Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxx> --- arch/powerpc/platforms/Kconfig.cputype | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype index f998e655b570..be8ceb5bece4 100644 --- a/arch/powerpc/platforms/Kconfig.cputype +++ b/arch/powerpc/platforms/Kconfig.cputype @@ -101,6 +101,8 @@ config PPC_BOOK3S_64 select ARCH_ENABLE_THP_MIGRATION if TRANSPARENT_HUGEPAGE select ARCH_SUPPORTS_HUGETLBFS select ARCH_SUPPORTS_NUMA_BALANCING + select HAVE_MOVE_PMD + select HAVE_MOVE_PUD select IRQ_WORK select PPC_MM_SLICES select PPC_HAVE_KUEP -- 2.31.1
