Messages in this thread | | | From | Rob Landley <> | Subject | Re: [PATCH 0/4] linux-2.6-block: deactivating pagecache for benchmarks | Date | Mon, 5 Dec 2005 11:28:13 -0600 |
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On Monday 05 December 2005 10:20, Lee Revell wrote:
> > > Caveats: > > > > > > a) Holds inode_lock for exorbitant amounts of time. > > > > Voluntary preemption point, maybe? > > I thin it's a bad idea, that would just encourage people to use this for > anything other than debugging. If you care about latency don't discard > the page cache. > > The GNOME people have been asking for this for a while, in order to > improve startup times, they would like a way to simulate a cold start > without rebooting.
I was thinking that virtual environments (namely, User Mode Linux) could use this in conjunction with sys_punch to free up memory back to the host system.
> Lee
Rob -- Steve Ballmer: Innovation! Inigo Montoya: You keep using that word. I do not think it means what you think it means. - 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/
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