Messages in this thread | | | Date | Mon, 4 Dec 2006 09:03:59 -0800 (PST) | From | Christoph Lameter <> | Subject | Re: la la la la ... swappiness |
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On Sun, 3 Dec 2006, Linus Torvalds wrote:
> Wouldn't it be much nicer to just lower the dirty-page limit? > > echo 1 > /proc/sys/vm/dirty_background_ratio > echo 2 > /proc/sys/vm/dirty_ratio
Dirty ratio cannot be set to less than 5%. See mm/page-writeback.c:get_dirty_limits().
> or something. Which we already discussed in another thread and almost > already decided we should lower the values for big-mem machines..
We also have an issue with cpusets. Dirty page throttling does not work in a cpuset if it is relatively small to the total memory on the system since we calculate the percentage of the total memory and not a percentage of the memory the process is allowed to use. - 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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