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    SubjectRe: [PATCH -mm] mm: more likely reclaim MADV_SEQUENTIAL mappings
    On Mon, 21 Jul 2008 15:49:00 +1000
    Nick Piggin <nickpiggin@yahoo.com.au> wrote:

    > It is already bad because: if you are doing a big streaming copy
    > which you know is going to blow the cache and not be used again,
    > then you should be unmapping behind you as you go.

    MADV_SEQUENTIAL exists for a reason.

    If you think that doing an automatic unmap-behind will be
    a better way to go, we can certainly whip up a patch for
    that...

    --
    All rights reversed.


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