On Monday 02 September 2002 01:08, Andrew Morton wrote:
> Daniel Phillips wrote:
> 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.
It's pretty much done, it just needs some torture testing:
http://people.nl.linux.org/~phillips/patches/lru.race-2.4.19
The handy /proc/mmstat ad hoc statistics are still in there. The patch supports
both zero and one-flavors of lru contribution to page count for the time being,
with the latter as the default.
> 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 was just thinking about that, time to go poke at the DAC960 again. Yes I do
remember Jens and Bill offered to help :-)
-- Daniel - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Sat Sep 07 2002 - 22:00:14 EST