Re: [patch] vmfixes-2.4.0-test9-B2 - fixing deadlocks

Linus Torvalds
2000-09-25T22:30:10Z

On Tue, 26 Sep 2000, Andrea Arcangeli wrote:
>
> I'm talking about the fact that if you have a file mmapped in 1.5G of RAM
> test9 will waste time rolling between LRUs 384000 pages, while classzone
> won't ever see 1 of those pages until you run low on fs cache.

What drugs are you on? Nobody looks at the LRU's until the system is low
on memory. Sure, there's some background activity, but what are you
talking about? It's only when you're low on memory that _either_ approach
starts looking at the LRU list.

Linus