linux-kernel - Re: [PATCH -V8 02/16] hugetlb: don't use ERR_PTR with VM

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Message-ID: <CAHGf_=oPLXvgPzeAn0Cn5Pni0NrdOzZ=hNTmAg5QACCzuv7z9A@mail.gmail.com>
Date:	Sat, 9 Jun 2012 15:28:21 -0400
From:	KOSAKI Motohiro <kosaki.motohiro@...il.com>
To:	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>
Cc:	linux-mm@...ck.org, kamezawa.hiroyu@...fujitsu.com,
	dhillf@...il.com, rientjes@...gle.com, mhocko@...e.cz,
	akpm@...ux-foundation.org, hannes@...xchg.org,
	linux-kernel@...r.kernel.org, cgroups@...r.kernel.org
Subject: Re: [PATCH -V8 02/16] hugetlb: don't use ERR_PTR with VM_FAULT* values

On Sat, Jun 9, 2012 at 4:59 AM, Aneesh Kumar K.V
<aneesh.kumar@...ux.vnet.ibm.com> wrote:
> From: "Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>
>
> 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.
>
> Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@...ux.vnet.ibm.com>

I like this much.

 Acked-by: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
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