linux-kernel - Re: [PATCH] ARM: use phys_addr_t in pfn_to

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Message-ID: <558C4BE6.20009@oracle.com>
Date:	Thu, 25 Jun 2015 11:43:50 -0700
From:	santosh shilimkar <santosh.shilimkar@...cle.com>
To:	Nicolas Pitre <nicolas.pitre@...aro.org>,
	Vitaly Andrianov <vitalya@...com>
Cc:	linux@....linux.org.uk, ssantosh@...nel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ARM: use phys_addr_t in pfn_to_kaddr()

On 6/25/2015 9:33 AM, Nicolas Pitre wrote:
> On Wed, 24 Jun 2015, santosh shilimkar wrote:
>
>> On 6/23/2015 8:13 AM, Vitaly Andrianov wrote:
>>> This patch fixes pfn_to_kaddr() to use phys_addr_t.  Without this,
>>> this macro is broken on LPAE systems. For physical addresses above
>>> first 4GB result of shifting pfn with PAGE_SHIFT may be truncated.
>>>
>>> Signed-off-by: Vitaly Andrianov <vitalya@...com>
>>> ---
>> Looks a valid fix.
>>
>> RMK, Nico, what you say ?
>
> Looks fine to me.
>
> Acked-by: Nicolas Pitre <nico@...aro.org>
>
Thanks Nico.

Vitaly,
I suggest you to drop this patch into RMK's patch system with
mine and Nico's ack.

Regards,
Santosh


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