Re: [PATCH] selftests/vm: Update max va test to check for high address return.

[Kirill A. Shutemov]

On Wed, Feb 28, 2018 at 09:28:30AM +0530, Aneesh Kumar K.V wrote:
> mmap(-1,..) is expected to search from max supported VA top down. It should find
> an address above ADDR_SWITCH_HINT. Explicitly check for this.

Hm. I don't think this correct. -1 means the application supports any
address, not restricted to 47-bit address space. It doesn't mean the
application *require* the address to be above 47-bit.

At least on x86, -1 just shift upper boundary of address range where we
can look for unmapped area.

-- 
 Kirill A. Shutemov