Re: [RFC PATCH 6/6] sparc64: use early_res and nobootmem

From: Yinghai Lu
Date: Wed Mar 10 2010 - 18:03:31 EST


On 03/10/2010 02:36 PM, David Miller wrote:
> From: Yinghai Lu <yinghai@xxxxxxxxxx>
> Date: Wed, 10 Mar 2010 14:31:25 -0800
>
>> they are array based.
>>
>> 1. memmap is not changed after get it from firmware, <could be modified via mem= or memmap=>
>> 2. early_res at first is static array, later it will be relocated to another position if the array is not big enough.
>
> LMB could do this too with minor modifications.
>
> Simply make the lmb.memory and lmb.reserved be pointers, and initially
> they point into the static array(s).
>
> Later the pointers can be repositioned to point to dynamically
> allocated memory.
>
> So please, for the third time, please show me how LMB with some minor
> modifications is not able to satisfy your needs.

you could do it,
need to duplicate some functions from early_res.c and fw_memmap.c
esp __check_and_double_early_res, get_free_all_memory_range

YH
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