Re: [PATCH v2] mm: cma: fix CMA aligned offset calculation

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On 2/24/2015 2:22 PM, Greg KH wrote:
> On Tue, Feb 24, 2015 at 02:17:46PM -0800, Danesh Petigara wrote:
>> The CMA aligned offset calculation is incorrect for
>> non-zero order_per_bit values.
>>
>> For example, if cma->order_per_bit=1, cma->base_pfn=
>> 0x2f800000 and align_order=12, the function returns
>> a value of 0x17c00 instead of 0x400.
>>
>> This patch fixes the CMA aligned offset calculation.
>>
>> Cc: stable@xxxxxxxxxxxxxxx
>> Signed-off-by: Danesh Petigara <dpetigara@xxxxxxxxxxxx>
>> Reviewed-by: Gregory Fong <gregory.0xf0@xxxxxxxxx>
>> Acked-by: Michal Nazarewicz <mina86@xxxxxxxxxx>
>> ---
>> Changes since v1:
>> 	- moved comment out of function
>> 	- removed unused 'alignment' variable
>>
>> v1: https://lkml.org/lkml/2015/2/24/598
>>
> 
> <formletter>
> 
> This is not the correct way to submit patches for inclusion in the
> stable kernel tree.  Please read Documentation/stable_kernel_rules.txt
> for how to do this properly.
> 
> </formletter>
> 

Apologize for the lapse. I'm trying to use 'Option 1'
(Cc: field in patch) to submit the patch to the stable kernel
but in this case the email got sent out prematurely by mistake.
I'll be more careful henceforth. Do you prefer that I use option
2 or 3?

Best Regards,
Danesh
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