powerpc/mm: remove a couple of #ifdef CONFIG_PPC_64K_PAGES in mm/slice.c

This patch replaces a couple of #ifdef CONFIG_PPC_64K_PAGES
by IS_ENABLED(CONFIG_PPC_64K_PAGES) to improve code maintainability.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Christophe Leroy 2019-04-25 14:29:33 +00:00 • committed by Michael Ellerman
commit 203a1fa628