On Wed, Apr 30, 2014 at 05:55:48PM -0400, David Miller wrote:
> --- 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);
BTW, maybe this other magic constant - 22 - could be replaced as well?
Is that ILOG2_4MB?
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