Re: [ak@suse.de: Re: iosched: impact of streaming read on

Alan Cox (alan@lxorguk.ukuu.org.uk)
22 Feb 2003 18:11:54 +0000

On Sat, 2003-02-22 at 07:07, Andrew Morton wrote:
> No, we do not really need to implement RLIM_MEMLOCK for such applications.
> They can leave their memory unlocked for any reasonable loads.
>
> Yes, we _do_ need to give these applications at least elevated scheduling
> priority, if not policy, so they get the CPU in a reasonable period of
> time.

It isnt about CPU, its about disk. If the app gets a code page swapped
out then unless we have disk as well as cpu priority, or we do memlock
stuff you are screwed. I guess the obvious answer with 2.5 is to
simply abuse the futex bugs and lock down futex pages with code in ;)

-
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/