Moving page-tables at the PMD-level on arm64 is known to be safe. Enable this option so that we can do fast mremap when possible. Signed-off-by: Joel Fernandes (Google) <joel@xxxxxxxxxxxxxxxxx> --- arch/arm64/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 1b1a0e95c751..5d7c35c6f90c 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -135,6 +135,7 @@ config ARM64 select HAVE_IRQ_TIME_ACCOUNTING select HAVE_MEMBLOCK select HAVE_MEMBLOCK_NODE_MAP if NUMA + select HAVE_MOVE_PMD select HAVE_NMI select HAVE_PATA_PLATFORM select HAVE_PERF_EVENTS -- 2.19.0.605.g01d371f741-goog