>Patched with this, your kernel will still age named pages, but will do
>that harder, so page cache pages will be reused faster and less pages
>will get swapped out.
Yes, seems to help a bit (I have not produced numbers). There' s still a
stall every time kswapd swapout things, but it seems rasonable that kswapd
swapout things (unlike 2.0), because the memory used by a lot of programs
can' t be accessed more recently than the page cache (even if we force the
cache to become older faster).
Andrea[s] Arcangeli
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