Hi!
> > an alloc of a PKT_BUF_SZ'd skb immediately follows a free of a
> > same-sized skb. 100% of the time.
>
> Free/Alloc gives the mm the chance to throttle it by failing, and also to
> recover from fragmentation by packing the slabs. If you don't do it you need
> to add a hook somewhere that gets triggered on low memory situations and
> frees the buffers.
And what? It makes allocation longer lived. Our MM should survive that just
fine.
--
Philips Velo 1: 1"x4"x8", 300gram, 60, 12MB, 40bogomips, linux, mutt,
details at http://atrey.karlin.mff.cuni.cz/~pavel/velo/index.html.
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