Re: Getting big areas of memory, in 2.3.x?

Jamie Lokier (lkd@tantalophile.demon.co.uk)
Mon, 13 Dec 1999 15:22:26 +0100

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Stephen C. Tweedie wrote:
> > You could do that with dynamic granularity: mark buddy nodes as
> > containing non-pageable allocations when appropriate.
>
> Yes, but without any explicit effort to keep those non-pageable
> allocations localised to a particular zone, you'll rapidly end up with
> no completely unpinned 4MB buddy nodes anywhere.

Of course, when you do a non-pageable allocation you search first for
siblings of non-pageable nodes.

-- Jamie

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