Re: Have the 2.4 kernel memory management problems on large machines been fixed?

[Alan Cox]

> Can you outline the changes in this area? I want to make sure we're
> not all fighting the same problems seperately ;-) I know bounce
> buffers is one large element of that, though I believe you still
> only go up to 4Gb, unless I'm mistaken?

Bounce buffer handling 

> > To go past 16Gb you need highmem mapped page tables which I'm 
> > pretty sure did not  make it in.
> 
> You need it earlier than that if you have many large tasks (4Gb
> or so).

That I can believe