kernel: add support for Linux v4.9.x
kernel: add support for Linux v4.9.x

The signature for get_user_pages was changed in v4.9.x. The replacement
call is get_user_pages_remote.

Signed-off-by: Nathan Hjelm <07b107919bc47895a8b637378595bdacb368c62d@me.com>

jdinan/xpmem,jdinan/xpmem,hjelmn/xpmem,hjelmn/xpmem