From 4a03a058d1fe7558faffab1a831dde508501e85c Mon Sep 17 00:00:00 2001 From: Anshuman Khandual Date: Tue, 5 Mar 2019 15:43:55 -0800 Subject: arm64/mm: enable HugeTLB migration Let arm64 subscribe to generic HugeTLB page migration framework. Right now this only works on the following PMD and PUD level HugeTLB page sizes with various kernel base page size combinations. CONT PTE PMD CONT PMD PUD -------- --- -------- --- 4K: NA 2M NA 1G 16K: NA 32M NA 64K: NA 512M NA Link: http://lkml.kernel.org/r/1545121450-1663-5-git-send-email-anshuman.khandual@arm.com Signed-off-by: Anshuman Khandual Reviewed-by: Naoya Horiguchi Reviewed-by: Steve Capper Acked-by: Catalin Marinas Cc: Michal Hocko Cc: Michal Hocko Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/arm64/Kconfig | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'arch') diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index a4168d366127..cfbf307d6dc4 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -1467,6 +1467,10 @@ config SYSVIPC_COMPAT def_bool y depends on COMPAT && SYSVIPC +config ARCH_ENABLE_HUGEPAGE_MIGRATION + def_bool y + depends on HUGETLB_PAGE && MIGRATION + menu "Power management options" source "kernel/power/Kconfig" -- cgit