consistent_free()

[Dan Malek]

Paul Mackerras wrote:

> implied to me that if you wanted 40kB it only allocated 10 pages, not
> 16, but in fact it sounds like the ARM implementation will actually
> allocate 16 pages too.

The current ARM implementation (that I want to copy again) :-) will
first allocate the 16 pages using alloc_pages().  It will then return
six pages from the end of the allocation back to the free pool.  This
is the only way you can get an arbitrary number of contiguous pages.


	-- Dan


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