Messages in this thread | ![/](/images/icornerl.gif) | | Subject | Re: [: Re: iosched: impact of streaming read on read-many-files] | From | Alan Cox <> | Date | 22 Feb 2003 18:11:54 +0000 |
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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 ;)
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