Increase the ARM64 PTRS_PER_PGD_L2_64K from 1024 to 9182 to account
for the Linux 3.13 increase of the ARM64 virtual address space size
from 39 to 42 bits when 64K pages are configured.  Without the patch,
the warning message "WARNING: cannot access vmalloc'd module memory"
is displayed during session initialization.
(anderson@redhat.com)