Re: Van Jacobson's network stack restructure

2006-02-01 Thread Bruce R. Montague
Hi, hope this isn't too off-topic, but it's a reasonably hackery follow-up re a minor historical question instigated by Van Jacobson's Slide 6, which contains the following point: "First TCP/IP stack done on Multics (1980)" Presumably this means the first version of the specific TCP/IP stack wit

Re: mount_nullfs removes (temporarily) schg flag from dir ... why ?

2006-02-01 Thread Julian Elischer
Ensel Sharon wrote: If you set schg on a directory, and then make that directory the mount point of a null_mount, the schg flag goes away. When you unmount it, it returns. Why is this ? because the UNDERLYING directory is schg, but the new one you've covered it with is not Would I

mount_nullfs removes (temporarily) schg flag from dir ... why ?

2006-02-01 Thread Ensel Sharon
If you set schg on a directory, and then make that directory the mount point of a null_mount, the schg flag goes away. When you unmount it, it returns. Why is this ? Would I see this behavior from mounting any kind of mount point on that directory, or just when mounting a null mount on it ? Th

Re: FreeBSD Real Mode interface

2006-02-01 Thread Anish Mistry
On Tuesday 31 January 2006 03:35, Loren M. Lang wrote: > On Tue, Jan 31, 2006 at 11:04:46AM +0600, Dmitry Frolov wrote: > > * Loren M. Lang <[EMAIL PROTECTED]> [28.01.2006 13:09]: > > > Is there any equivalent to the Linux Real Mode interface in > > > FreeBSD? I would like to port a program called

Re: Van Jacobson's network stack restructure

2006-02-01 Thread Aniruddha Bohra
Greg 'groggy' Lehey wrote: Last week, at the Linux.conf.au in Dunedin, Van Jacobson presented some slides about work he has been doing rearchitecting the Linux network stack. He claims to have reduced the CPU usage by 80% and doubled network throughput (he expects more, but it was limited by me

Re: Van Jacobson's network stack restructure

2006-02-01 Thread Andre Oppermann
Greg 'groggy' Lehey wrote: Last week, at the Linux.conf.au in Dunedin, Van Jacobson presented some slides about work he has been doing rearchitecting the Linux network stack. He claims to have reduced the CPU usage by 80% and doubled network throughput (he expects more, but it was limited by mem