Re: [PATCH 2.6.20-rc5 1/1] MM: enhance Linux swap subsystem

[yunfeng zhang]

To a two-CPU architecture, its page distribution just like theoretically

ABABAB....

So every readahead of A process will create 4 unused readahead pages unless you
are sure B will resume soon.

Have you ever compared the results among UP, 2 or 4-CPU?
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