Messages in this thread Patch in this message | | | From | Cyril Chemparathy <> | Subject | [PATCH v3 12/17] ARM: LPAE: define ARCH_LOW_ADDRESS_LIMIT for bootmem | Date | Tue, 11 Sep 2012 13:39:10 -0400 |
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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(+)
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> -- 1.7.9.5
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