[PATCH] x86_64: Set compatibility flag for 4GB zone on IA64
authorAndi Kleen <ak@suse.de>
Sat, 5 Nov 2005 16:25:53 +0000 (17:25 +0100)
committerLinus Torvalds <torvalds@g5.osdl.org>
Tue, 15 Nov 2005 03:55:13 +0000 (19:55 -0800)
IA64 traditionally had a 4GB DMA32 zone. Set the compatibility flag
to keep old drivers working.

For new drivers it would be better to use ZONE_DMA32 now.

Cc: tony.luck@intel.com
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
arch/ia64/Kconfig

index 3b4248cff9a7d1218182dcf7d380eda86b3b426d..3dba24c318b7cc7b81a3157169deed2bebd84c83 100644 (file)
@@ -58,6 +58,10 @@ config IA64_UNCACHED_ALLOCATOR
        bool
        select GENERIC_ALLOCATOR
 
+config ZONE_DMA_IS_DMA32
+       bool
+       default y
+
 choice
        prompt "System type"
        default IA64_GENERIC