> This is my take on parts of the execve large arguments copying issues
> that Kees posted about, and Brad and others have been discussing.
> I've only looked at the narrow area of the argument copying code
> itself. I think these are good and necessary fixes. But I'm not
> addressing the whole OOM killer/mm accounting issue, which also needs
> to be fixed (and I have the impression others are already looking into that).
Now, we have two OOM-Killer/mm acounting problem.
1) OOM-killer doesn't track nascent mm and It may kill innocent task
2) When execve argument-copying, our __vm_enough_memory() doesn't
protect any wrong plenty argument. then, execve() invoke OOM instead
return failure value when larger argument than system memory.
The patch series addressed this two issue.
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