Messages in this thread | | | Date | Thu, 10 May 2007 05:34:16 -0700 | From | "Ray Lee" <> | Subject | Re: swap-prefetch: 2.6.22 -mm merge plans |
| |
On 5/10/07, Nick Piggin <nickpiggin@yahoo.com.au> wrote: > > Huh? You already stated one version of it above, namely updatedb. But > > So a swapping problem with updatedb should be unusual and we'd like to see > if we can fix it without resorting to prefetching. > > I know the theory behind swap prefetching, and I'm not saying it doesn't > work, so I'll snip the rest of that.
updatedb is only part of the problem. The other part is that the kernel has an opportunity to preemptively return some of the evicted working set to RAM before I ask for it. No fancy use-once algorithm is going to address that, so your solution is provably incomplete for my problem.
What's so hard to understand about that? - 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/
| |