deadlock under memory pressure.
Because ATA over Ethernet is not fragmented by the kernel's IP code,
-the destructore member of the struct sk_buff is available to the aoe
+the destructor member of the struct sk_buff is available to the aoe
driver. By using a mempool for allocating all but the first few
sk_buffs, and by registering a destructor, we should be able to
efficiently allocate sk_buffs without introducing any potential for