Re: problems with e1000 and jumboframes

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

 



Chris Leech <[email protected]> wrote:
> 
> We could try and only use page allocations for older e1000 devices,
> putting headers and payload into skb->frags and copying the headers
> out into the skb->data area as needed for processing.  That would do
> away with large allocations, but in Jesse's experiments calling
> alloc_page() is slower than kmalloc(), so there can actually be a
> performance hit from trying to use page allocations all the time.

Interesting.  Could you guys post figures on alloc_page speed vs. kmalloc?

Also, getting memory slower is better than not getting them at all :)
-- 
Visit Openswan at http://www.openswan.org/
Email: Herbert Xu ~{PmV>HI~} <[email protected]>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]
  Powered by Linux