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numa: deprecate implict memory distribution between nodes

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Implicit RAM distribution between nodes has exactly the same issues as:
  "numa: deprecate 'mem' parameter of '-numa node' option"
only with QEMU being the user that's 'adding' 'mem' parameter.

Deprecate it, to get it out of the way so that we could consolidate
guest RAM allocation using memory backends making it consistent and
possibly later on transition to using memory devices instead of
adhoc memory mapping for the initial RAM.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <1559205199-233510-4-git-send-email-imammedo@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
This commit is contained in:
Igor Mammedov 2019-05-30 10:33:19 +02:00 • committed by Eduardo Habkost
parent cdf8036520
commit 4bb4a2732e
2 changed files with 11 additions and 0 deletions
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3
hw/core/numa.c
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@ -405,6 +405,9 @@ void numa_complete_configuration(MachineState *ms)
if (i == nb_numa_nodes) {
assert(mc->numa_auto_assign_ram);
mc->numa_auto_assign_ram(mc, numa_info, nb_numa_nodes, ram_size);
warn_report("Default splitting of RAM between nodes is deprecated,"
" Use '-numa node,memdev' to explictly define RAM"
" allocation per node");
}
numa_total = 0;