Messages in this thread |  | | Date | Tue, 26 Sep 2000 01:03:32 +0200 | From | Andrea Arcangeli <> | Subject | Re: [patch] vmfixes-2.4.0-test9-B2 - fixing deadlocks |
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On Mon, Sep 25, 2000 at 03:30:10PM -0700, Linus Torvalds wrote: > 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
The system is low on memory when you run `free` and you see a value < freepages_high*PAGE_SIZE in the "free" column first row.
> talking about? It's only when you're low on memory that _either_ approach > starts looking at the LRU list.
The machine will run low on memory as soon as I read 200mbyte from disk.
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