Re: mm question

[Alan Cox]

> > This makes it rather hard to go around trying to free pages
> > within a certain physical range.
> 
> Well, what does kernel do when it runs out of memory ? For example when I
> mmap a large file and start reading it back and force ?

It doesn't care which physical page it gets. Processes being freeing
up/swapping pages they have mappings to. The map counts hit zero and the 
page is discarded.

Alan