Date: Mon, 19 Oct 2009 21:40:59 -0400 From: grarpamp <grarpamp@gmail.com> To: freebsd-hackers@freebsd.org Subject: vm: kvm_free max_wired Message-ID: <d2e731a10910191840u7bab4bf2kc1d46e44aa437a42@mail.gmail.com>
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Is this telling me I should be able to set kmem_size to around 740MiB before the kernel panics during boot? Any runtime issues with doing that? # sysctl hw.physmem hw.realmem vm.kvm_size vm.kvm_free vm.kmem_size hw.physmem: 1055293440 hw.realmem: 1072627712 vm.kvm_size: 1073737728 vm.kvm_free: 205516800 vm.kmem_size: 536870912 # sysctl -d hw.physmem vm.kvm_size vm.kvm_free vm.kmem_size hw.physmem: hw.realmem: vm.kvm_size: Size of KVM vm.kvm_free: Amount of KVM free vm.kmem_size: Size of kernel memory This doesn't seem to autosize. Is that expected? Should one care about this sysctl? vm.max_wired: System-wide limit to wired page count vm.max_wired: 83211 83211*4096/2^20 = ~325 Also, these are obviously broken / curious: debug.boothowto: -2147481598 net.inet.tcp.inflight.max: 1073725440 Running RELENG_8.
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