Re: [RFC] [PATCH] Include LRU in page count

William Lee Irwin III
2002-09-01T23:28:48Z

On Sun, Sep 01, 2002 at 04:08:03PM -0700, Andrew Morton wrote:
> My approach was to keep the existing design and warm it up, rather than to
> redesign. Is it "good enough" now? Dunno - nobody has run the tests
> with slablru. But it's probably too late for a redesign (such as per-cpu LRU,
> per-mapping lru, etc).
>
> It would be great to make presence on the LRU contribute to
> page->count, because that would permit the removal of a ton of
> page_cache_get/release operations inside the LRU lock, perhaps
> doubling throughput in there. Guess I should get off my lazy butt
> and see what you've done (will you for heaven's sake go and buy an IDE
> disk and compile up a 2.5 kernel? :))

I've at least been testing (if not at least attempting to debug)
2.5.32-mm2, which includes slablru.

Cheers,
Bill