Sync with md(4)'s information regarding the swap backend.
PR: docs/115721 Submitted by: Stefan Lambrev <stefan.lambrev@moneybookers.com> MFC After: 3 days
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2020-12-20 02:59:44 +00:00
svn path=/head/; revision=174019
@ -41,7 +41,7 @@
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.\"
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.\"
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.\" $FreeBSD$
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.\" $FreeBSD$
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.\"
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.\"
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.Dd November 11, 2007
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.Dd November 28, 2007
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.Dt MDCONFIG 8
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.Dt MDCONFIG 8
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.Os
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.Os
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.Sh NAME
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.Sh NAME
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@ -98,7 +98,14 @@ A file specified with
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.Fl f Ar file
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.Fl f Ar file
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becomes the backing store for this memory disk.
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becomes the backing store for this memory disk.
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.It Cm swap
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.It Cm swap
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Swap space is used to back this memory disk.
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Storage for this type of memory disk is allocated from buffer
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memory. Pages get pushed out to the swap when the system is
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under memory pressure, otherwise they stay in the operating
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emory. Using
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.Cm swap
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backing is generally preferable over
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.Cm malloc
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backing.
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.El
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.El
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.It Fl f Ar file
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.It Fl f Ar file
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Filename to use for the vnode type memory disk. Options
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Filename to use for the vnode type memory disk. Options
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