[RFC 13/23] ARM: LPAE: define ARCH_LOW_ADDRESS_LIMIT for bootmem
Cyril Chemparathy
cyril at ti.com
Mon Jul 23 21:10:24 EDT 2012
This patch adds an architecture defined override for ARCH_LOW_ADDRESS_LIMIT.
On PAE systems, the absence of this override causes bootmem to incorrectly
limit itself to 32-bit addressable physical memory.
Signed-off-by: Cyril Chemparathy <cyril at ti.com>
Signed-off-by: Vitaly Andrianov <vitalya at ti.com>
---
arch/arm/include/asm/memory.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h
index 7629dfe..c330a23 100644
--- a/arch/arm/include/asm/memory.h
+++ b/arch/arm/include/asm/memory.h
@@ -285,6 +285,8 @@ static inline __deprecated void *bus_to_virt(unsigned long x)
#define arch_is_coherent() 0
#endif
+#define ARCH_LOW_ADDRESS_LIMIT PHYS_MASK
+
#endif
#include <asm-generic/memory_model.h>
--
1.7.9.5
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