[patch] Fix PR 84487, large rodata increase in tonto and other programs

[Florian Weimer]

* Andreas Schwab:

> On Apr 17 2019, Florian Weimer <fweimer@redhat.com> wrote:
>
>> * Andreas Schwab:
>>
>>> On Apr 17 2019, Florian Weimer <fweimer@redhat.com> wrote:
>>>
>>>> Not just that, .bss adds to the commit charge,
>>>
>>> Only one page at most.
>>
>> That would be a bug.
>
> You cannot avoid it for the page shared with .data, unless you force
> .bss to be page aligned.

Would you please elaborate?

With “commit charge”, I mean address space accounted towards the commit
limit, when Linux is running in vm.overcommit_memory=2 mode.

Thanks,
Florian