Re: [PATCH v5 2/6] memblock: Introduce bottom-up allocation mode

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On 09/26/2013 11:37 PM, Zhang Yanfei wrote:
> Hello tejun,
> 
> Thanks for your quick comments first:)
> 
> On 09/26/2013 10:45 PM, Tejun Heo wrote:
>> Hello,
>>
>> On Wed, Sep 25, 2013 at 02:27:48AM +0800, Zhang Yanfei wrote:
>>> +#ifdef CONFIG_MOVABLE_NODE
>>> +static inline void memblock_set_bottom_up(bool enable)
>>> +{
>>> +	memblock.bottom_up = enable;
>>> +}
>>> +
>>> +static inline bool memblock_bottom_up(void)
>>> +{
>>> +	return memblock.bottom_up;
>>> +}
>>
>> Can you please explain what this is for here?
> 
> OK, will do.

I write the function description here so you could give your
comments still in this version.

/*
 * Set the allocation direction to bottom-up or top-down.
 */
static inline void memblock_set_bottom_up(bool enable)
{
        memblock.bottom_up = enable;
}


/*
 * Check if the allocation direction is bottom-up or not.
 * if this is true, that said, the boot option "movablenode"
 * has been specified, and memblock will allocate memory
 * just near the kernel image.
 */
static inline bool memblock_bottom_up(void)
{
        return memblock.bottom_up;
}

Thanks.

-- 
Thanks.
Zhang Yanfei
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