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| author | Michal Privoznik <mprivozn@redhat.com> | 2023-03-08 11:53:37 +0100 |
|---|---|---|
| committer | Michal Privoznik <mprivozn@redhat.com> | 2023-03-15 12:47:09 +0100 |
| commit | c4b176567b5000da1fe22ecaa9afe4b8ad4b6837 (patch) | |
| tree | d36d628cc3415e9a14c7c7a9d63bb3b94f24d192 /docs/formatdomain.rst | |
| parent | df2ef2e706ec5960761bdbf619ea33be99482a15 (diff) | |
| download | libvirt-c4b176567b5000da1fe22ecaa9afe4b8ad4b6837.tar.gz | |
docs: Document memory allocation and emulator pinning limitation
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Kristina Hanicova <khanicov@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
Diffstat (limited to 'docs/formatdomain.rst')
| -rw-r--r-- | docs/formatdomain.rst | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/docs/formatdomain.rst b/docs/formatdomain.rst index 4f4874eba2..27f83e254d 100644 --- a/docs/formatdomain.rst +++ b/docs/formatdomain.rst @@ -1117,7 +1117,9 @@ influence how virtual memory pages are backed by host pages. Using the optional ``mode`` attribute, specify when to allocate the memory by supplying either "immediate" or "ondemand". :since:`Since 8.2.0` it is possible to set the number of threads that hypervisor uses to allocate - memory via ``threads`` attribute. + memory via ``threads`` attribute. To speed allocation process up, when + pinning emulator thread it's recommended to include CPUs from desired NUMA + nodes so that allocation threads can have their affinity set. ``discard`` When set and supported by hypervisor the memory content is discarded just before guest shuts down (or when DIMM module is unplugged). Please note that |