cvs commit: src/sys/net route.c

Andre Oppermann andre at freebsd.org
Wed Aug 11 10:55:05 PDT 2004


Wilko Bulte wrote:
> 
> On Wed, Aug 11, 2004 at 07:31:49PM +0200, Andre Oppermann wrote..
> > Andre Oppermann wrote:
> > >
> > > andre       2004-08-11 17:26:56 UTC
> > >
> > >   FreeBSD src repository
> > >
> > >   Modified files:
> > >     sys/net              route.c
> > >   Log:
> > >   Convert the routing table to use an UMA zone for rtentries.  The zone is
> > >   called "rtentry".
> > >
> > >   This saves a considerable amount of kernel memory.  R_Zmalloc previously
> > >   used 256 byte blocks (plus kmalloc overhead) whereas UMA only needs 132
> > >   bytes.
> > >
> > >   Idea from:      OpenBSD
> > >
> > >   Revision  Changes    Path
> > >   1.106     +10 -4     src/sys/net/route.c
> >
> > With this I was able to dump approx. 1.2 million routes into the kernel
> > until I ran out of kmap_mem space.  Pretty neat ;-)
> 
> 1.2 million...
> 
> <argh..> ;-)

With only 209M kmem_size!  8-)

-- 
Andre


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