Messages in this thread | | | Subject | Re: [2.6.16-rc6 patch] fix interactive task starvation | From | Mike Galbraith <> | Date | Sat, 18 Mar 2006 10:43:56 +0100 |
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On Sat, 2006-03-18 at 19:15 +1100, Con Kolivas wrote: > On Saturday 18 March 2006 19:05, Andrew Morton wrote: > > Mike Galbraith <efault@gmx.de> wrote: > > > The patch below fixes a starvation problem that occurs when a stream of > > > highly interactive tasks delay an array switch for extended periods > > > despite EXPIRED_STARVING(rq) being true. AFAIKT, the only choice is to > > > enqueue awakening tasks on the expired array in this case. > > > > > > Without this patch, it can be nearly impossible to remotely login to a > > > busy server, and interactive shell commands can starve for minutes. > > > > > > This has not been verified by anyone. Comments? > > > > What does that question mean, btw? > > He's waiting for me to say I don't like it. But I do like it.
<chuckle>
No. Actually, I'm waiting for Ingo to just yawn and nuke the problem with a casual flick of his pinkie.
-Mike
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