Messages in this thread | | | Date | Mon, 13 Dec 2004 23:21:38 +0100 | From | Andrea Arcangeli <> | Subject | Re: dynamic-hz |
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On Mon, Dec 13, 2004 at 12:56:29PM -0800, john stultz wrote: > Interesting patch, I know some folks have been asking about HZ=10k > recently, so this could help.
Yes, they only need to pass HZ=10000 to the boot command line to make it work with 2.4.
> The only bit that worries me a bit is the change from HZ->USER_HZ for > internal calculations. In my mind, USER_HZ should only be used for > converting internal system ticks to userspace-visible ticks. Changing > drivers to think about things in user-ticks confuses things a bit since > suddenly some kernel code is thinking in user-ticks and others in > system-ticks. It just muddles things a bit.
I tried to make the smallest possible change to make the thing work, even if that sometime meant to think in user hz. The user_to_kernel_hz helper function converts back into kernel hz. - 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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