jemalloc-4.0.0 test suite segfaults on aarch64

[David Abdurachmanov]

> On 19 Aug 2015, at 20:44, Jason Evans <jasone at canonware.com> wrote:
> 
> On Aug 19, 2015, at 3:02 AM, Ingvar Hagelund <ingvar at redpill-linpro.com> wrote:
>> I've started wrapping jemalloc-4.0.0 for fedora. aarch64 is now a target
>> arch for fedora. When sent to the arm builders, the unit/bitmap test
>> segfaults. Full log here:
>> 
>> http://arm.koji.fedoraproject.org//work/tasks/6832/3126832/build.log
>> 
>> Also note the vast amounts of "warning: left shift count is negative".
> 
> This happens with page sizes larger than 8 KiB.  I can test a patch locally by specifying --with-lg-page=16 during configuration.  The segfault is hopefully a side effect of the bit shifting issue (I certainly get test crashes when specifying --with-lg-page=16).

Fedora for aarch64 (and ppc64le, I guess) has page size set to 64K. I think,
Ubuntu has 4K pages on aarch64 (at least for now).

I have access to aarch64 machines, thus I could run test suite on demand for
validation/patch testing purposes.

david