* [PATCH 08/11] sparc64: Fix range check in kern_addr_valid().
@ 2014-05-06 4:08 David Miller
0 siblings, 0 replies; only message in thread
From: David Miller @ 2014-05-06 4:08 UTC (permalink / raw)
To: sparclinux
In commit b2d438348024b75a1ee8b66b85d77f569a5dfed8 ("sparc64: Make
PAGE_OFFSET variable."), the MAX_PHYS_ADDRESS_BITS value was increased
(to 47).
This constant reference to '41UL' was missed.
Signed-off-by: David S. Miller <davem@davemloft.net>
---
arch/sparc/include/asm/pgtable_64.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h
index ac5f708..ff97960 100644
--- a/arch/sparc/include/asm/pgtable_64.h
+++ b/arch/sparc/include/asm/pgtable_64.h
@@ -916,7 +916,7 @@ static inline bool kern_addr_valid(unsigned long addr)
{
unsigned long paddr = __pa(addr);
- if ((paddr >> 41UL) != 0UL)
+ if ((paddr >> MAX_PHYS_ADDRESS_BITS) != 0UL)
return false;
return test_bit(paddr >> 22, sparc64_valid_addr_bitmap);
}
--
1.8.1.2
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2014-05-06 4:08 [PATCH 08/11] sparc64: Fix range check in kern_addr_valid() David Miller
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