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microblaze: mm: Use ZONE_DMA instead of ZONE_NORMAL

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We should use ZONE_DMA because all address space is dma-able.

Signed-off-by: Michal Simek <monstr@monstr.eu>
This commit is contained in:
Michal Simek
2011-12-15 09:24:06 +01:00
parent f7f4786c75
commit 4e2e4124b7
2 changed files with 4 additions and 5 deletions
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3
arch/microblaze/Kconfig
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@@ -27,6 +27,9 @@ config SWAP
config RWSEM_GENERIC_SPINLOCK config RWSEM_GENERIC_SPINLOCK
def_bool y def_bool y
config ZONE_DMA
def_bool y
config RWSEM_XCHGADD_ALGORITHM config RWSEM_XCHGADD_ALGORITHM
bool bool

6
arch/microblaze/mm/init.c
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@@ -58,11 +58,7 @@ static void __init paging_init(void)
/* Clean every zones */ /* Clean every zones */
memset(zones_size, 0, sizeof(zones_size)); memset(zones_size, 0, sizeof(zones_size));
/* zones_size[ZONE_DMA] = max_mapnr;
* 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;
free_area_init(zones_size); free_area_init(zones_size);
} }