Re: Subtle MM bug

[Rik van Riel <riel@conectiva.com.br>]

On Sun, 7 Jan 2001, Linus Torvalds wrote:

> 	/*
> 	 * Too many active pages? That implies that we don't have enough
> 	 * of a working set for page_launder() to do a good job. Start by
> 	 * walking the VM space..
> 	 */
> 	if ((nr_active_pages >> 1) > total_pages)
> 		swap_out();
> 
> 	/*
> 	 * This is where we actually free memory
> 	 */
> 	page_launder(..);

Ahhh, but this is NOT the balancing problem we're trying to
pin down in 2.4...

The (possible) problem is in the balancing between swap_out()
and refill_inactive_scan().

regards,

Rik
--
Virtual memory is like a game you can't win;
However, without VM there's truly nothing to lose...

		http://www.surriel.com/
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