Re: POSIX question

* Florian Pflug:

> I think this breaks with strict overcommit settings
> (i.e. vm.overcommit_memory = 2 on linux). To fix that, you'd need a
> way to tell the kernel (or glibc) to simply reserve a chunk of virtual
> address space for further user. Not sure if there's a API for that...

mmap with PROT_NONE and subsequent update with mprotect does this on
Linux.

(It's not clear to me what this is trying to solve, though.)

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Florian Weimer                <fweimer@bfk.de>
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