powerpc/64s: Allocate slb_shadow structures individually

slb_shadow structures are avoided for radix environment.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Nicholas Piggin 2018-02-14 01:08:14 +10:00 • committed by Michael Ellerman
commit 384e806784