Define a version of memory_block_size_bytes for x86_64 when CONFIG_X86_UV is
set.
Signed-off-by: NRobin Holt <holt@sgi.com>
Signed-off-by: NJack Steiner <steiner@sgi.com>
Signed-off-by: NNathan Fontenot <nfont@austin.ibm.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>