From: "Joel Fernandes (Google)" <joel@xxxxxxxxxxxxxxxxx> Moving page-tables at the PMD-level on x86 is known to be safe. Enable this option so that we can do fast mremap when possible. Suggested-by: Kirill A. Shutemov <kirill@xxxxxxxxxxxxx> Acked-by: Kirill A. Shutemov <kirill@xxxxxxxxxxxxx> Signed-off-by: Joel Fernandes (Google) <joel@xxxxxxxxxxxxxxxxx> --- arch/x86/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index ba7e3464ee92..48aef01a0bd1 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -173,6 +173,7 @@ config X86 select HAVE_MEMBLOCK_NODE_MAP select HAVE_MIXED_BREAKPOINTS_REGS select HAVE_MOD_ARCH_SPECIFIC + select HAVE_MOVE_PMD select HAVE_NMI select HAVE_OPROFILE select HAVE_OPTPROBES -- 2.19.1.930.g4563a0d9d0-goog
