Search Linux Wireless

Re: Linux 2.6.24-rc7

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



From: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Date: Sat, 26 Jan 2008 23:54:18 -0800 (PST)

> Wouldn't it be nice to just handle the MTU memory accounting issue at the 
> network level too?

If the driver does it, it can immediately recycle the packet back into
the RX ring without all the overhead of freeing it and then allocating
it all over again.

It can also avoid all of the DMA map/unmap operations as well.
(you can copy and entire packet in the time a PIO operation
 to some of these IOMMU chips can take)

Moving all of this into netif_receive_skb() would be great for
centralization of logic, but I would not advocate it specifically
because it makes the drivers etc. do a lot of wasteful work.

-
To unsubscribe from this list: send the line "unsubscribe linux-wireless" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html

[Index of Archives]     [Linux Host AP]     [ATH6KL]     [Linux Bluetooth]     [Linux Netdev]     [Kernel Newbies]     [Linux Kernel]     [IDE]     [Security]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux ATA RAID]     [Samba]     [Device Mapper]
  Powered by Linux