Re: 2.6.9-rc2-mm1 swsusp bug report.

[Nick Piggin]

Nigel Cunningham wrote:
> Hi.
>
> On Sat, 2004-09-25 at 11:45, Kevin Fenzi wrote:

> > What causes memory to be so fragmented? 
>
>
> Normal usage; the pattern of pages being freed and allocated inevitably
> leads to fragmentation. The buddy allocator does a good job of
> minimising it, but what is really needed is a run-time defragmenter. I
> saw mention of this recently, but it's probably not that practical to
> implement IMHO.

Well, by this stage it looks like memory is already pretty well shrunk
as much as it is going to be, which means that even a pretty capable
defragmenter won't be able to do anything.
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