Re: [PATCH -V4 02/10] hugetlbfs: don't use ERR_PTR with VM_FAULT* values

[Aneesh Kumar K.V]

On Mon, 19 Mar 2012 11:11:56 +0900, KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx> wrote:
> (2012/03/17 2:39), Aneesh Kumar K.V wrote:
> 
> > From: "Aneesh Kumar K.V" <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
> > 
> > Using VM_FAULT_* codes with ERR_PTR will require us to make sure
> > VM_FAULT_* values will not exceed MAX_ERRNO value.
> > 
> > Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
> 
> 
> Is this a bug fix ?

No. Currently the values of VM_FAULT_* codes are all below MAX_ERRNO. The
changes in the patch are done based on the suggestion from Andrew. 

http://article.gmane.org/gmane.linux.kernel.cgroups/1160

> Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
> 
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