Re: [Patch 2/3] Export get_one_pte_map.

From: Robin Holt <holt_at_sgi.com>
Date: 2005-10-18 06:25:01
On Mon, Oct 17, 2005 at 04:59:20PM +0100, Hugh Dickins wrote:
> Repeating a technical question (sorry, that now seems off-topic!):
> what do you expect to happen with PROT_WRITE, MAP_PRIVATE?

That would end up with a MAP_PRIVATE, PROT_WRITE, VM_RESERVED
mapping.  That does not make sense for this device, so I added
the following check to mspec_mmap()

        if ((vma->vm_flags & VM_SHARED) == 0)
                return -EINVAL;

Thanks,
Robin
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Received on Tue Oct 18 06:26:09 2005

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