On Sat, Apr 22, 2000 at 08:28:56PM +0200, Kurt Roeckx wrote:
> On Sat, Apr 22, 2000 at 10:18:19AM +0200, Andi Kleen wrote:
> >
> > Linux reserves half of the socket buffer for metadata (skbuff headers etc.)
> > BSD doesn't do that. Most programs using SO_SNDBUF/SO_RCVBUF didn't expect
> > this, because traditional BSD does not do metadata accounting, and on Linux
> > they ended up with too small effective buffers. To fix this Linux always
> > doubles the buffer internally to stay compatible.
>
> If you're "reserving" half, then why don't you report half back? Now I
> think I have a buffer that is twice the size I have.
Reporting half back is not needed for compatibility, so it is better not
to lie here.
-Andi
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Sat Apr 22 2000 - 15:22:28 EDT