[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH] xl: xl.conf(5): correct advice re autoballooning vs. dom0_mem
# HG changeset patch # User Ian Campbell <ijc@xxxxxxxxxxxxxx> # Date 1354011148 0 # Node ID 3174dc24e3efb0c5b964c244dbfb0218a03a38cf # Parent 541b0e1a36c86db5df04988dd4ade5430776a7f2 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@xxxxxxxxxx> diff -r 541b0e1a36c8 -r 3174dc24e3ef docs/man/xl.conf.pod.5 --- a/docs/man/xl.conf.pod.5 Tue Nov 27 10:05:35 2012 +0000 +++ b/docs/man/xl.conf.pod.5 Tue Nov 27 10:12:28 2012 +0000 @@ -49,9 +49,9 @@ The semantics of each C<KEY> defines whi 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 -r 541b0e1a36c8 -r 3174dc24e3ef docs/misc/xen-command-line.markdown --- a/docs/misc/xen-command-line.markdown Tue Nov 27 10:05:35 2012 +0000 +++ b/docs/misc/xen-command-line.markdown Tue Nov 27 10:12:28 2012 +0000 @@ -440,6 +440,11 @@ 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>` _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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