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SubjectRe: tty crash due to auto-failing vmalloc
> I think this patch should be reverted. If somebody is vmallocing crazy
> amounts of memory in the exit path we should probably track them down
> individually; the patch doesn't reference any real instances of that.
> But we cannot start failing allocations that have never failed before.
> That said, maybe we want Alan's N_NULL failover in the hangup path too?

I think that would be best. There's always going to be a failure case
even if the vmalloc change makes it rarer. Dropping back to N_NULL fixes
all of the cases.


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