Date: Mon, 25 Feb 2002 23:37:01 +0900 From: Seigo Tanimura <tanimura@r.dl.itc.u-tokyo.ac.jp> To: Matthew Dillon <dillon@apollo.backplane.com> Cc: Seigo Tanimura <tanimura@nkth.carrots.uucp.r.dl.itc.u-tokyo.ac.jp> Subject: Re: reclaiming v_data of free vnodes Message-ID: <200202251437.g1PEb12R001419@bunko> In-Reply-To: <200202250444.g1P4i8X29005@apollo.backplane.com> References: <200202231556.g1NFu9N9040749@silver.carrots.uucp.r.dl.itc.u-tokyo.ac.jp> <200202242041.g1OKfXt95731@apollo.backplane.com> <200202250325.g1P3PVN9092431@silver.carrots.uucp.r.dl.itc.u-tokyo.ac.jp> <200202250444.g1P4i8X29005@apollo.backplane.com>
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On Sun, 24 Feb 2002 20:44:08 -0800 (PST), Matthew Dillon <dillon@apollo.backplane.com> said: dillon> :Matthew> cache). 330,000 vnodes and/or inodes is pushing what a kernel dillon> :Matthew> with only 1G of KVM can handle. For these machines you may want dillon> :Matthew> to change the kernel start address from c000000 (1G of KVM) to dillon> :Matthew> 8000000 (2G of KVM). I forget exactly how that is done. dillon> : dillon> :Increasing KVM is not likely to help. The panic message in the Friday dillon> :night was something like this: dillon> : dillon> :kmem_malloc(256): kmem_map too small: (~=200M) total allocated dillon> You can use the boot-time tunable 'kern.vm.kmem.size' to set dillon> the size of kmem. You may have to reduce the size of the dillon> buffer cache to make everything fit. Also, if you make kmem_map dillon> too large you can run the system out of other types of space, dillon> like the zalloc memory space (which is allocated from the remaining dillon> KVA beyond the kmem_map), and memory for pipes. I tried that, but that attempt failed because I miscalculated the size of space for the buffer. One question before increasing kern.vm.kmem.size: why does ffs not use the zone allocator for inodes? -- Seigo Tanimura <tanimura@r.dl.itc.u-tokyo.ac.jp> <tanimura@FreeBSD.org> To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message
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