fixup talk of kern.maxswzone... It's been 32MB for almost 5 years now...
and only supports just over 7GB of swap... Sound a bit more professional.. Inspired by: Marc G. Fournier MFC After: 3 days
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=169286
@ -24,7 +24,7 @@
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.\"
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.\" $FreeBSD$
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.\"
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.Dd November 29, 2006
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.Dd May 5, 2007
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.Dt LOADER 8
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.Os
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.Sh NAME
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@ -574,20 +574,19 @@ Limits the amount of KVM to be used to hold swap
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meta information, which directly governs the
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maximum amount of swap the system can support.
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This value is specified in bytes of KVA space
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and defaults to around 70MBytes.
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and defaults to 32MBytes on i386 and amd64.
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Care should be taken
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to not reduce this value such that the actual
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amount of configured swap exceeds 1/2 the
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kernel-supported swap.
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The default 70MB allows
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the kernel to support a maximum of (approximately)
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14GB of configured swap.
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Only mess around with
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The default of 32MB allows
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the kernel to support a maximum of ~7GB of swap.
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Only change
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this parameter if you need to greatly extend the
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KVM reservation for other resources such as the
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buffer cache or
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.Va kern.ipc.nmbclusters .
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Modifies
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Modifies kernel option
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.Dv VM_SWZONE_SIZE_MAX .
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.It Va kern.maxbcache
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Limits the amount of KVM reserved for use by the
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