[LTP] [PATCH 2/2] mm: enlarge mmap HIGH_ADDR value for s390 arch
Jan Stancek
jstancek@redhat.com
Wed Nov 8 09:13:19 CET 2017
----- 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
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