Messages in this thread | | | Date | Thu, 1 Jan 2004 21:27:20 +1100 | From | Anton Blanchard <> | Subject | Re: swapper: page allocation failure. order:3, mode:0x20 |
| |
> Now e1000 uses TSO (and can regularly ask for 32kB+ kmallocs in > interrupt context) perhaps we should look moving the rx buffer refill code > into a context that can sleep. Then again its not like we can tolerate > much latency in this code path, your rx ring will run out quite quickly :)
I hate to argue with myself, but thats crap. TSO only affects the TX path and its buffers are created outside interrupt context. So it must be a large MTU causing the failures, regardless it still makes sense to explore rx skb refill outside of interrupt context idea.
Anton - 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/
| |