Re: [PATCH 1/6] sparc64: Clean up 64-bit mmap exclusion defines.

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David Miller wrote:	[Sat Sep 21 2013, 01:15:59AM EDT]
> 
> Older UltraSPARC chips had an address space hole due to the MMU only
> supporting 44-bits of virtual address.
> 
> The top end of this hole also has the same value as the current
> definition of PAGE_OFFSET, so this can be confusing.
> 
> Consolidate the defines for the userspace mmap exclusion range into
> page_64.h and use them in sys_sparc_64.c and hugetlbpage.c
> 
> Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>

Acked-by: Bob Picco <bob.picco@xxxxxxxxxx>
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