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[PATCH] x86_64: Set compatibility flag for 4GB zone on IA64 

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>
hifive-unleashed-5.1
Andi Kleen 2005-11-05 17:25:53 +01:00 committed by Linus Torvalds
parent a2f1b42490
commit d1e3dfdc2c
1 changed files with 4 additions and 0 deletions
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arch/ia64/Kconfig
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@ -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