On Fri, Nov 2, 2012 at 2:26 PM, Adrian Chadd <adr...@freebsd.org> wrote:
> On 2 November 2012 08:09, Ian Lepore <free...@damnhippie.dyndns.org> > wrote: > > > Of course, it doesn't save anything if the system is using more than 128 > > maps, did you check? When I checked on an arm dreamplug system, there > > were roughly 1850 maps allocated by time it got to the login prompt > > (making that local cache of 500 maps completely useless). > > I don't reach that during boot on my 16MB RAM APs. There just aren't > that many devices. > > > The patches I posted in arch@ a while back addressed this problem by > > setting up an uma(9) pool for maps (and pools for busdma buffers). The > > patches were designed to be easy to incorporate for both arm and mips > > busdma implementations. > > My problem is memory overhead at boot time. :/ > Maybe this should be a compile time constant that one can specify in their KERNCONF? Cheers, -Garrett _______________________________________________ svn-src-head@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
