replaced by new patch from ..
Posted Sep 29, 2005 23:24 UTC (Thu) by farnz
In reply to: replaced by new patch from ..
Parent article: Swap prefetching
AIUI, the big gain of Andrea's early write-out patch is that the VM has a
strong preference for evicting clean pages (nearly free) over dirty
(expensive I/O needed). Because Andrea's code stops streaming writes like
cp from dirtying lots of one-use pages, it makes the pages that cp is
dirtying much more attractive to the VM when it's hunting for freeable
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