Messages in this thread | | | From | Rusty Russell <> | Subject | Re: New net features for added performance | Date | Sun, 25 Feb 2001 22:49:39 +1100 |
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In message <oupsnl3k5gs.fsf@pigdrop.muc.suse.de> you write: > Jeff Garzik <jgarzik@mandrakesoft.com> writes: > > > Advantages: A de-allocation immediately followed by a reallocation is > > eliminated, less L1 cache pollution during interrupt handling. > > Potentially less DMA traffic between card and host. > > > > Disadvantages? > > You need a new mechanism to cope with low memory situations because the > drivers can tie up quite a bit of memory (in fact you gave up unified > memory management).
Also, you still need to "clean" the skb (it can hold device and nfct references).
Rusty. -- Premature optmztion is rt of all evl. --DK - 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/
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