Date: Wed, 17 Feb 1999 14:27:28 -0500 (EST) From: "John S. Dyson" <dyson@iquest.net> To: Tor.Egge@fast.no Cc: dillon@apollo.backplane.com, hackers@freebsd.org Subject: Re: Problems in VM structure ? Message-ID: <199902171927.OAA69946@y.dyson.net> In-Reply-To: <199902171910.UAA17721@midten.fast.no> from "Tor.Egge@fast.no" at "Feb 17, 99 08:10:38 pm"
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Tor.Egge@fast.no said: > > All zones with ZONE_INTERRUPT flag has preallocated KVA > and a nonzero max. --> 78 MB. > > SMP --> 4 MB per processor private kva > last page dir entry reserved for alternate page table --> 4 MB > Kernel text + data + bss --> 1.5 MB > > 78 MB + 4 MB + 4 MB + 1.5 MB + 170 MB --> 257.5 MB > > When looking at current kernel_map on a 512 MB SMP machine with > maxusers set to 256, VM_KMEM_SIZE and VM_KMEM_SIZE_MAX set to > 128 MB and NMBCLUSTERS set to 12288: > > (kgdb) print kernel_map->size > $1 = 334737408 > That is dangerously low. -- John | Never try to teach a pig to sing, dyson@iquest.net | it makes one look stupid jdyson@nc.com | and it irritates the pig. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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