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| author | remko <remko@FreeBSD.org> | 2007-11-28 12:11:36 +0000 |
|---|---|---|
| committer | remko <remko@FreeBSD.org> | 2007-11-28 12:11:36 +0000 |
| commit | 202b31f03413be0ad1665385b857399270b83860 (patch) | |
| tree | 9cbfc4a65829fac5aa077a788ed677ecd83f6499 /sbin | |
| parent | 96598e15b4e671c13d5b8c2d2a2c687b0d55be5a (diff) | |
| download | FreeBSD-src-202b31f03413be0ad1665385b857399270b83860.zip FreeBSD-src-202b31f03413be0ad1665385b857399270b83860.tar.gz | |
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
Diffstat (limited to 'sbin')
| -rw-r--r-- | sbin/mdconfig/mdconfig.8 | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/sbin/mdconfig/mdconfig.8 b/sbin/mdconfig/mdconfig.8 index 94559a6..fd7de3d 100644 --- a/sbin/mdconfig/mdconfig.8 +++ b/sbin/mdconfig/mdconfig.8 @@ -41,7 +41,7 @@ .\" .\" $FreeBSD$ .\" -.Dd November 11, 2007 +.Dd November 28, 2007 .Dt MDCONFIG 8 .Os .Sh NAME @@ -98,7 +98,14 @@ A file specified with .Fl f Ar file becomes the backing store for this memory disk. .It Cm swap -Swap space is used to back this memory disk. +Storage for this type of memory disk is allocated from buffer +memory. Pages get pushed out to the swap when the system is +under memory pressure, otherwise they stay in the operating +emory. Using +.Cm swap +backing is generally preferable over +.Cm malloc +backing. .El .It Fl f Ar file Filename to use for the vnode type memory disk. Options |
