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authorMichal Simek <monstr@monstr.eu>2011-12-15 09:24:06 +0100
committerMichal Simek <monstr@monstr.eu>2012-03-23 09:28:09 +0100
commit4e2e4124b7fe68b28e9f759b7ecc0ec16307fce6 (patch)
tree6fa96fb02f187ee98fd4a8c24d77244d7b5d44e5
parentf7f4786c7546534ca969cfa5eb753fa97e30c728 (diff)
downloadlinux-sh-4e2e4124b7fe68b28e9f759b7ecc0ec16307fce6.tar.gz
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>
-rw-r--r--arch/microblaze/Kconfig3
-rw-r--r--arch/microblaze/mm/init.c6
2 files changed, 4 insertions, 5 deletions
diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig
index c8d6efb99dbf..8e9da3d42814 100644
--- a/arch/microblaze/Kconfig
+++ b/arch/microblaze/Kconfig
@@ -27,6 +27,9 @@ config SWAP
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 565d193c7ebf..a72f42498c25 100644
--- a/arch/microblaze/mm/init.c
+++ b/arch/microblaze/mm/init.c
@@ -58,11 +58,7 @@ static void __init paging_init(void)
/* 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);
}