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 <anshuman.khandual@arm.com>
Reviewed-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Reviewed-by: Steve Capper <steve.capper@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Michal Hocko <mhocko@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
1 file changed