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    SubjectRe: [PATCH] tcp: splice as many packets as possible at once
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    From: Herbert Xu <herbert@gondor.apana.org.au>
    Date: Wed, 14 Jan 2009 14:51:24 +1100

    > Unfortunately this won't work, not even for network destinations.
    >
    > The reason is that this gets called as soon as the destination's
    > splice hook returns, for networking that means when sendpage returns.
    >
    > So by that time we'll still be left with just a page reference
    > on a page where the slab memory may already have been freed.
    >
    > To make this work we need to get the destination's splice hooks
    > to acquire this reference.

    Yes I realized this after your earlier posting today.


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