microblaze: mm: Use ZONE_DMA instead of ZONE_NORMAL
We should use ZONE_DMA because all address space is dma-able.
Signed-off-by: Michal Simek <monstr@monstr.eu>
diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig
index c8d6efb..8e9da3d 100644
--- a/arch/microblaze/Kconfig
+++ b/arch/microblaze/Kconfig
@@ -27,6 +27,9 @@
config RWSEM_GENERIC_SPINLOCK
def_bool y
+config ZONE_DMA
+ def_bool y
+
config RWSEM_XCHGADD_ALGORITHM
bool
diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c
index 565d193..a72f424 100644
--- a/arch/microblaze/mm/init.c
+++ b/arch/microblaze/mm/init.c
@@ -58,11 +58,7 @@
/* Clean every zones */
memset(zones_size, 0, sizeof(zones_size));
- /*
- * old: we can DMA to/from any address.put all page into ZONE_DMA
- * We use only ZONE_NORMAL
- */
- zones_size[ZONE_NORMAL] = max_mapnr;
+ zones_size[ZONE_DMA] = max_mapnr;
free_area_init(zones_size);
}
