Andrew Morton wrote:
I guess for a very small upper zone and a very large lower zone this could
still put the scan balancing out of whack, fixable by a smarter version of
"8*zone->pages_high" but it doesn't seem very likely that this will affect
things much.
Why doesn't direct reclaim need similar treatment?
Because we only go into the direct reclaim path once
every zone is at or below zone->pages_low, and the
direct reclaim path will exit once we have freed more
than swap_cluster_max pages.
--
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the best in the world, and those who believe it already is. Each group
calls the other unpatriotic.
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