Re: mm question

[Alan Cox]

> It does not have to be contiguous. I was thinking of simply starting with 
> the smallest address and trying to free the pages until the needed amount 
> is available. But I have no idea how to properly do locking or force the
> page to be swapped out or something. 

You can simply get_free_page() 300K of pages. However you can't land them
in a given band other than the existing "below 16Mb" "below 4Gb" "anywhere"
bands.

Alan