Sick. Just provide your own mmap() instead.
> Disabling processes that are known to be running direct from flash
> sounds workable. (There is no real notion of separating pages under
> uClinux - it is an all or nothing mapping. The text, data, bss, etc
> are always a single contiguous region in the address space).
Yep. For uClinux we could probably get away with that. I don't want to
suggest it for normal Linux though.
> More generous lock that really required for general VM linux, but at
> least the whole process model works for both VM and non-VM linux. I
> would expect this avoids any potential loop/deadlock with pages (going
> on the discussion in follow up emails anyway).
I don't see that many cases where these pages would get locked; I'm not
convinced it's a problem. But I'm aware of the percentages from the
previous times I've argued with Alan :)
-- dwmw2
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