From: "Martin J. Bligh" <mbligh@aracnet.com>
To: Anand Eswaran <aeswaran@andrew.cmu.edu>, Linux-MM@kvack.org
Subject: Re: Free list initialization
Date: Wed, 06 Aug 2003 16:12:46 -0700 [thread overview]
Message-ID: <739780000.1060211566@flay> (raw)
In-Reply-To: <2110.128.2.222.155.1060209130.squirrel@webmail.andrew.cmu.edu>
> 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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next prev parent reply other threads:[~2003-08-06 23:12 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-08-06 22:32 Anand Eswaran
2003-08-06 23:12 ` Martin J. Bligh [this message]
2003-08-06 23:49 ` William Lee Irwin III
2003-08-07 11:51 ` Mel Gorman
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