Re: [PATCH] aio: optimize free kioctx slot search

From: Matthew Wilcox
Date: Thu Dec 26 2013 - 09:14:04 EST


On Thu, Dec 26, 2013 at 06:22:10PM +0800, Gu Zheng wrote:
> to the new free slot if it's smaller than 'next_free'. So that we can
> ensure that the slots before 'next_free' are all used, and the search can start
> from 'next_free' to reduce the search and improve the performance.

Have you benchmarked it? What kinds of improvements are you seeing?

--
Matthew Wilcox Intel Open Source Technology Centre
"Bill, look, we understand that you're interested in selling us this
operating system, but compare it to ours. We can't possibly take such
a retrograde step."
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/