[PATCH] uml: get rid of ZONE_DMA use

ZONE_DMA might become dependent on CONFIG_ZONE_DMA, which UML doesn't define
(we're still arguing about this) So, let's change ZONE_DMA to ZONE_NORMAL.

This is prompted by optional-zone_dma-in-the-vm.patch, but should be harmless
on its own.
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Christoph Lameter <clameter@engr.sgi.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

arch/um/kernel/mem.c

@@ -226,7 +226,8 @@ void paging_init(void)
 	for(i = 0; i < ARRAY_SIZE(zones_size); i++)
 		zones_size[i] = 0;
 
-	zones_size[ZONE_DMA] = (end_iomem >> PAGE_SHIFT) - (uml_physmem >> PAGE_SHIFT);
+	zones_size[ZONE_NORMAL] = (end_iomem >> PAGE_SHIFT) -
+		(uml_physmem >> PAGE_SHIFT);
 #ifdef CONFIG_HIGHMEM
 	zones_size[ZONE_HIGHMEM] = highmem >> PAGE_SHIFT;
 #endif