Re: [PATCH v4 1/5] pagemap: check permissions and capabilities at open time

[Mark Williamson]

(within the limits of my understanding of the mm code)
Reviewed-by: Mark Williamson <mwilliamson@xxxxxxxxxxxxxxxxx>

On Tue, Jul 21, 2015 at 9:06 AM, Naoya Horiguchi
<n-horiguchi@xxxxxxxxxxxxx> wrote:
> On Tue, Jul 14, 2015 at 06:37:35PM +0300, Konstantin Khlebnikov wrote:
>> This patch moves permission checks from pagemap_read() into pagemap_open().
>>
>> Pointer to mm is saved in file->private_data. This reference pins only
>> mm_struct itself. /proc/*/mem, maps, smaps already work in the same way.
>>
>> Signed-off-by: Konstantin Khlebnikov <khlebnikov@xxxxxxxxxxxxxx>
>> Link: http://lkml.kernel.org/r/CA+55aFyKpWrt_Ajzh1rzp_GcwZ4=6Y=kOv8hBz172CFJp6L8Tg@xxxxxxxxxxxxxx
>
> Reviewed-by: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx>
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