cvs commit: src/sys/net route.c

Andre Oppermann andre at freebsd.org
Wed Aug 11 10:31:47 PDT 2004


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 ;-)

-- 
Andre


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