On February 12, 2002 09:57 pm, William Lee Irwin III wrote:
> On Tue, Feb 12, 2002 at 02:37:43PM +0000, Alan Cox wrote:
> > Going to a block size bigger than page size causes all sorts of fun with
> > allocation failures if there are not two pages free adjacent to one another
> > when allocating, and isn't really worth the cost.
>
> This sounds like fairly severe memory fragmentation, which seems more
> worrisome to me than blocksize constraints. Should I look into that?
This is one of the chronic VM problems that rmap is supposed to cure, at least
it will provide a base on which an active physical defragger can be built.
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