Re: Free list initialization

["Martin J. Bligh" <mbligh@aracnet.com>]

>   Could anybody point me out to the part of the mm code where the  zone
> free-lists are initialized to the remaining system memory  just
> subsequent to setting up of the zone structures . ( so that  say when
> the very first time _alloc_pages executes, the system can use (
> __alloc_pages ()  ->   rmqueue()  free-list to allocate the required
> memory block.
> 
>   I dont seem to be able to find any such code in free_area_init_core().
> 
>   Im using a 2.4.18 kernel.

Suggest you start at free_all_bootmem. IIRC, basically we just call a 
free on every page we have, and the normal buddy free routines populate
the lists. Not very efficient, but who cares? ... it's boottime! ;-)

M.

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