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| author | Ian Campbell <ian.campbell@citrix.com> | 2012-11-29 16:07:55 +0000 |
|---|---|---|
| committer | Ian Campbell <ian.campbell@citrix.com> | 2012-11-29 16:07:55 +0000 |
| commit | c4fa850035e104ac3a50794a79d827b1b009dc76 (patch) | |
| tree | 2a2f2597967373c6a34b499ea8e397faa5783180 | |
| parent | a98a6d65128638318f083beaad43d03dcd53dd45 (diff) | |
| download | xen-c4fa850035e104ac3a50794a79d827b1b009dc76.tar.gz xen-c4fa850035e104ac3a50794a79d827b1b009dc76.tar.bz2 xen-c4fa850035e104ac3a50794a79d827b1b009dc76.zip | |
xl: xl.conf(5): correct advice re autoballooning vs. dom0_mem.
The advice was backwards, you should really disable autoballoon if you
use dom0_mem. Also add a reference to the command-line docs.
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Committed-by: Ian Campbell <ian.campbell@citrix.com>
xen-unstable changeset: 26192:17ffbe7cf645
Backport-requested-by: Ian Jackson <Ian.Jackson@eu.citrix.com>
Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
| -rw-r--r-- | docs/man/xl.conf.pod.5 | 6 | ||||
| -rw-r--r-- | docs/misc/xen-command-line.markdown | 5 |
2 files changed, 8 insertions, 3 deletions
diff --git a/docs/man/xl.conf.pod.5 b/docs/man/xl.conf.pod.5 index 23932bea63..82c6b20251 100644 --- a/docs/man/xl.conf.pod.5 +++ b/docs/man/xl.conf.pod.5 @@ -49,9 +49,9 @@ The semantics of each C<KEY> defines which form of C<VALUE> is required. If disabled then C<xl> will not attempt to reduce the amount of memory assigned to domain 0 in order to create free memory when starting a -new domain. You should set this if you use the C<dom0_mem> hypervisor -command line to reduce the amount of memory given to domain 0 by -default. +new domain. You are strongly recommended to set this to C<0> +(C<False>) if you use the C<dom0_mem> hypervisor command line to +reduce the amount of memory given to domain 0 by default. Default: C<1> diff --git a/docs/misc/xen-command-line.markdown b/docs/misc/xen-command-line.markdown index 2963d68c2c..ef411e1582 100644 --- a/docs/misc/xen-command-line.markdown +++ b/docs/misc/xen-command-line.markdown @@ -409,6 +409,11 @@ reservation is unlimited. For example, to set dom0's initial memory allocation to 512MB but allow it to balloon up as far as 1GB use `dom0_mem=512M,max:1G` +If you use this option then it is highly recommended that you disable +any dom0 autoballooning feature present in your toolstack. See the +_xl.conf(5)_ man page or [Xen Best +Practices](http://wiki.xen.org/wiki/Xen_Best_Practices#Xen_dom0_dedicated_memory_and_preventing_dom0_memory_ballooning). + ### dom0\_shadow > `= <boolean>` |