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On Sat, 2007-21-07 at 23:00 +0200, Peter Zijlstra wrote: > plain text document attachment (readahead-useonce.patch) > Use the read-ahead code to provide hints to page reclaim. > > This patch has the potential to solve the streaming-IO trashes my > desktop problem.> > It tries to aggressively reclaim pages that were loaded in a strong > sequential pattern and have been consumed. Thereby limiting the damage > to the current resident set.> > Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> With the fadvise change, it looks like the right solution to me. The patches are for which kernel? They doesn't apply cleanly to 2.6.22.1. It would be useful to have a temporary /proc tunable to enable/disable the heuristic to help test the effects. - Eric - 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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