> > 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.- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/