Messages in this thread | | | Date | Mon, 10 Oct 2005 16:35:03 +0200 | From | Jesper Juhl <> | Subject | Re: [PATCH] mm - implement swap prefetching |
| |
On 10/10/05, Con Kolivas <kernel@kolivas.org> wrote: > Andrew could you please consider this for -mm > > Small changes to the style after suggestions from Pekka Enberg (thanks), and > changed the default size of prefetch to gently increase with size of ram. > Functionally this is the same code as vm-swap_prefetch-15 and I believe ready > for a wider audience. >
+ What this will do on workstations is slowly bring back applications + that have swapped out after memory intensive workloads back into + physical ram if you have free ram at a later stage and the machine + is relatively idle. This means that when you come back to your + computer after leaving it idle for a while, applications will come + to life faster. Note that your swap usage will appear to increase + but these are cached pages, can be dropped freely by the vm, and it + should stabilise around 50% swap usage. + + Desktop users will most likely want to say Y.
How about a little note about the impact for server users as well? You recommend that desktop users enable this, but you don't give any recommendation for servers.
-- Jesper Juhl <jesper.juhl@gmail.com> Don't top-post http://www.catb.org/~esr/jargon/html/T/top-post.html Plain text mails only, please http://www.expita.com/nomime.html - 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/
| |