(FWD) Problems with Tor in user-mode-linux

[Roger Dingledine]

On Tue, Jan 25, 2005 at 05:28:05AM +0100, Bernhard Wiedemann wrote:
> So a forked process gets a version of all 50MB memory, which are 
> mapped to the same memory... until the parent changes the content of it's 
> mem. As soon as the parent writes to it's version of memory
> the kernel needs to create a real copy of the written memory page, as it 
> does not know the child will never ever read all that mem again.

Yow. You're totally right.

We'll do something about it in the 0.1.0 series.

Thanks!
--Roger