m68knommu: mark all RAM as ZONE_DMA

There is no reason not to put all RAM in ZONE_DMA for these simple m68k varients (same as the standard MMU m68k code does). With this in place the usual dma_alloc_coherent() work as expected. Signed-off-by: Greg Ungerer <[email protected]>
jledet · Mar 24, 2009 · dffc9ef · dffc9ef
1 parent 8e0ee43
commit dffc9ef
Showing 1 changed file with 1 addition and 5 deletions.
diff --git a/arch/m68knommu/mm/init.c b/arch/m68knommu/mm/init.c
@@ -111,11 +111,7 @@ void __init paging_init(void)
 	{
 		unsigned long zones_size[MAX_NR_ZONES] = {0, };
 
-		zones_size[ZONE_DMA] = 0 >> PAGE_SHIFT;
-		zones_size[ZONE_NORMAL] = (end_mem - PAGE_OFFSET) >> PAGE_SHIFT;
-#ifdef CONFIG_HIGHMEM
-		zones_size[ZONE_HIGHMEM] = 0;
-#endif
+		zones_size[ZONE_DMA] = (end_mem - PAGE_OFFSET) >> PAGE_SHIFT;
 		free_area_init(zones_size);
 	}
 }