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 <[email protected]>
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
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