Re: [PATCH] VM routine fixes

[Linus Torvalds]

On Mon, 15 Nov 2004, David Howells wrote:
> 
> So not having an MMU, page tables or PTEs or any requirement for operations
> that act upon them is not enough?

No. It's a matter of abstraction. If you can _abstract_ the thing away, 
that's fine. I don't want more #ifdef's in source code, but you can have a 
totally different file that doesnt' do the things that aren't appropriate 
for non-MMU.

Yes, we've already got #ifdef's in code, but the point is that we don't 
add them unless there is serious _need_. And even then it's a sign of 
trouble. In this case, the sign of trouble is bigger than the need. 
uClinux might as well have a dummy "struct vm_operations", if only to make 
the damn thing look more like real Linux.

		Linus
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