[PATCH v2 14/15] docs: Document memory allocation and emulator pinning limitation

Signed-off-by: Michal Privoznik <mprivozn(a)redhat.com&gt; Reviewed-by: Andrea Bolognani <abologna(a)redhat.com&gt; --- docs/formatdomain.rst | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) 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 -- 2.39.2