[LTP] [PATCH 2/2] mm: enlarge mmap HIGH_ADDR value for s390 arch

[Jan Stancek <jstancek@redhat.com>]

----- Original Message -----
> The kernel commit 1aea9b3f92 (s390/mm: implement 5 level pages tables)
> enlarge the maximum address in the tasks address space from (1UL << 53)
> to (-PAGE_SIZE) on s390 platform.
> 
> We have to increase the HIGH_ADDR in ltp testcases accordingly otherwise
> that would be failed with succeeded mmap into high region:
> 
> mmap15.c:
> mmap15  1  TFAIL  :  mmap15.c:77: mmap into high region succeeded
> unexpectedly
> 
> mmapstress03.c:
> mmapstress03: errno = 25: really large mmap didn't fail
> mmapstress03    0  TINFO  :  uname.machine=s390x kernel is 32bit

                                     Isn't this the problem? ^^

> mmapstress03    1  TFAIL  :  mmapstress03.c:212: Test failed
> 

Regards,
Jan