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Fix initial value of dom0 static-max entry

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This value needs to be set to actual static max for qmemman to work
properly. If it's set higher than real static-max, qmemman will try to
assign more memory to dom0, which dom0 could not use - will be wasted.
Since this script is executed before any VM is started, simply
take the current dom0 memory usage, instead of parsing dom0_mem Xen
argument. There doesn't seem to be nice API to get this value from Xen
directly.

Fixes QubesOS/qubes-issues#4891
This commit is contained in:
Marek Marczykowski-Górecki 2019-04-05 04:57:04 +02:00
parent 75916dca5d
commit 56ec271606
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1 changed files with 1 additions and 1 deletions
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2
linux/aux-tools/startup-misc.sh
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@ -3,7 +3,7 @@
# Misc dom0 startup setup
/usr/lib/qubes/fix-dir-perms.sh
DOM0_MAXMEM=`/usr/sbin/xl info | grep total_memory | awk '{ print $3 }'`
DOM0_MAXMEM=$(/usr/sbin/xl list 0 | tail -1 | awk '{ print $3 }')
xenstore-write /local/domain/0/memory/static-max $[ $DOM0_MAXMEM * 1024 ]
xl sched-credit -d 0 -w 2000