| Date | Mon, 14 Jan 2002 17:59:31 -0700 | From | yodaiken@fsmlabs ... | Subject | Re: [2.4.17/18pre] VM and swap - it's really unusable |
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On Mon, Jan 14, 2002 at 03:21:14PM -0800, george anzinger wrote: > > > How is that changed? AFAIK inserting more schedule points does not > > > change the behaviour of the scheduler. The niced app will still get its > > > time. > > > > How many times can an app be preempted? In a non preempt kernel > > is can be preempted during user mode at timer frequency and no more > > Uh, it can be and is preempted in user mode by ANY interrupt, be it > keyboard, serial, lan, disc, etc. The kernel looks for need_resched at > the end of ALL interrupts, not just the timer interrupt.
Ouch.
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