Messages in this thread | | | Date | Wed, 28 Apr 2004 23:31:53 -0700 | From | William Lee Irwin III <> | Subject | Re: ~500 megs cached yet 2.6.5 goes into swap hell |
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At some point in the past, I wrote: >> The really strange thing is that the behaviour seems to get worse the >> more RAM you have. I haven't noticed any problem at all on my laptop >> with 768MB, only on the G5, which has 2.5GB. (The laptop is still on >> 2.6.2-rc3 though, so I will try a newer kernel on it.)
On Thu, Apr 29, 2004 at 04:12:38PM +1000, Benjamin Herrenschmidt wrote: > Your G5 also has a 2Gb IO hole in the middle of zone DMA, it's possible > that the accounting doesn't work properly.
Hmm, ->present_pages vs. ->spanned_pages distinction(s) should cover this, or should have at one point. How are those being set at the moment?
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