Re: thread stacks and strict vm overcommit accounting

[Alan Cox]

> Stack RSS should certainly be included in Committed_AS,
> but RLIMIT_STACK merely limits how big the stack vma may grow to:
> at any moment the stack vma is probably very much smaller,
> and only its current size is accounted in Committed_AS.

With a typical size as a fuzz factor preaccounted in later kernels.

> > > Is this the intended behaviour?
> > 
> > That sounds like a bug to me.
> 
> I'm suspecting it's an oddity rather than a bug.

It is intended behaviour.
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