Re: [PATCH v5 3/6] x86/mm: Factor out of top-down direct mappingsetup

[Zhang Yanfei]

Hello tejun,

On 09/26/2013 11:39 PM, Zhang Yanfei wrote:
> On 09/26/2013 10:46 PM, Tejun Heo wrote:
>> On Wed, Sep 25, 2013 at 02:29:06AM +0800, Zhang Yanfei wrote:
>>> +/**
>>> + * memory_map_top_down - Map [map_start, map_end) top down
>>> + * @map_start: start address of the target memory range
>>> + * @map_end: end address of the target memory range
>>> + *
>>> + * This function will setup direct mapping for memory range
>>> + * [map_start, map_end) in top-down.
>>
>> Can you please put a bit more effort into the function description?
> 
> Sorry.... I will try to make a more detailed description.

Trying below:

/**
 * memory_map_top_down - Map [map_start, map_end) top down
 * @map_start: start address of the target memory range
 * @map_end: end address of the target memory range
 *
 * This function will setup direct mapping for memory range
 * [map_start, map_end) in top-down. That said, the page tables
 * will be allocated at the end of the memory, and we map the
 * memory top-down.
 */
static void __init memory_map_top_down(unsigned long map_start,
                                       unsigned long map_end)
{

Thanks.

> 
>>
>> Other than that,
>>
>>  Acked-by: Tejun Heo <tj@xxxxxxxxxx>
> 
> Thanks.
> 


-- 
Thanks.
Zhang Yanfei
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