Date: Wed, 11 Aug 2004 19:55:07 +0200 From: Andre Oppermann <andre@freebsd.org> To: Wilko Bulte <wb@freebie.xs4all.nl> Cc: cvs-all@FreeBSD.ORG Subject: Re: cvs commit: src/sys/net route.c Message-ID: <411A5D7B.4756CA0B@freebsd.org> References: <200408111726.i7BHQuPC078939@repoman.freebsd.org> <411A5805.215C72FB@freebsd.org> <20040811174045.GA74993@freebie.xs4all.nl>
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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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