Re: mm snapshot broken-out-2007-03-18-02-44.tar.gz uploaded

[Pekka J Enberg]

On Mon, 19 Mar 2007, Michal Piotrowski wrote:
> > Yes, revoke-special-mmap-handling.patch is bad.
> 
> +               if (unlikely(vma->vm_flags & VM_REVOKED))
> +                       return -ENODEV;
> 
> Why -ENODEV?

That's what we want when trying to remap a revoked mapping (the vma is 
there, but you need to unmap it before reusing the region).

			Pekka
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