Re: deferred rss update instead of sloppy rss

Christoph Lameter
2004-11-22T22:27:07Z

On Mon, 22 Nov 2004, Linus Torvalds wrote:

> The alternative is to just add a simple list into the task_struct and the
> head of it into mm_struct. Then, at fork, you just finish the fork() with
>
> list_add(p->mm_list, p->mm->thread_list);
>
> and do the proper list_del() in exit_mm() or wherever.
>
> You'll still loop in /proc, but you'll do the minimal loop necessary.

I think the approach that I posted is simpler unless there are other
benefits to be gained if it would be easy to figure out which tasks use an
mm.