On Tue, Dec 02, 2008 at 09:12:54AM -0500, Mike Tancsa wrote: > At 08:38 AM 12/2/2008, Kostik Belousov wrote: > >> > >> mdconfig -a -t malloc -s 1800M > >You cannot have ~ 2Gb of kernel memory allocated for md, at least not on > >i386. > > Thanks, how do I find out what the limit is on a machine ? Is it > vm.kvm_size ?
It is much less, and highly depends on your load, since KVA is used for all kind of allocations made by kernel. I think either md(4) or mdconfig(8) have a warning about malloc backing for md.
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