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[v3,12/17] ARM: LPAE: define ARCH_LOW_ADDRESS_LIMIT for bootmem

Message ID 1347385155-11643-13-git-send-email-cyril@ti.com (mailing list archive)
State New, archived
Headers show

Commit Message

Cyril Chemparathy Sept. 11, 2012, 5:39 p.m. UTC 
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@ti.com>
Signed-off-by: Vitaly Andrianov <vitalya@ti.com>
---
 arch/arm/include/asm/memory.h |    2 ++
 1 file changed, 2 insertions(+)
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Patch

diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h
index 0643454..73caaeb 100644
--- a/arch/arm/include/asm/memory.h
+++ b/arch/arm/include/asm/memory.h
@@ -307,6 +307,8 @@  static inline __deprecated void *bus_to_virt(unsigned long x)
 #define virt_to_page(kaddr)	pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
 #define virt_addr_valid(kaddr)	((unsigned long)(kaddr) >= PAGE_OFFSET && (unsigned long)(kaddr) < (unsigned long)high_memory)
 
+#define ARCH_LOW_ADDRESS_LIMIT		PHYS_MASK
+
 #endif
 
 #include <asm-generic/memory_model.h>