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SubjectRe: Getting big areas of memory, in 2.3.x?
Stephen C. Tweedie wrote:
> Something I talked about with Linus a while back was to separate memory
> into 4MB or 16MB zones, and do allocation not from individual zones but
> from zone lists. Then you just keep track of two lists of zones: one
> which contains zones which are known to have been used for non-pagable
> allocations, and another in which all allocations are pagable.

You could do that with dynamic granularity: mark buddy nodes as
containing non-pageable allocations when appropriate.

-- Jamie

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