Re: [PATCH -V7 02/14] hugetlbfs: don't use ERR_PTR with VM_FAULT* values

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On Wed, 30 May 2012, Aneesh Kumar K.V wrote:

> From: "Aneesh Kumar K.V" <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
> 
> The current use of VM_FAULT_* codes with ERR_PTR requires us to ensure
> VM_FAULT_* values will not exceed MAX_ERRNO value.  Decouple the
> VM_FAULT_* values from MAX_ERRNO.
> 

Yeah, but is there a reason for using VM_FAULT_HWPOISON_LARGE_MASK since 
that's the only VM_FAULT_* value that is greater than MAX_ERRNO?  The rest 
of your patch set doesn't require this, so I think this change should just 
be dropped.  (And PTR_ERR() still returns long, this wasn't fixed from my 
original review.)
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