Messages in this thread |  | | | Date | Fri, 10 Sep 2004 13:21:55 +0100 (BST) | | From | Hugh Dickins <> | | Subject | Re: 2.6.9-rc1: page_referenced_one() CPU consumption |
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On Fri, 10 Sep 2004, Hugh Dickins wrote: > > I'm quite content to go back to a trylock in page_referenced_one - and > in try_to_unmap_one? But yours is the first report of an issue there, > so I'm inclined to wait for more reports (which should come flooding in > now you mention it!), and input from those with a better grasp than I > of how vmscan pans out in practice (Andrew, Nick, Con spring to mind).
Just want to add, that there'd be little point in changing that back to a trylock, if vmscan ends up cycling hopelessly around a larger loop - though if the larger loop is more preemptible, that's a plus.
Hugh
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