When user would like use cgroups to restrict the allowed memory nodes, and require not setting any specific memory policy, then 'restrictive' mode is useful.
Reviewed-by: Daniel Henrique Barboza <danielhb...@gmail.com> Signed-off-by: Luyao Zhong <luyao.zh...@intel.com> --- docs/formatdomain.rst | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/docs/formatdomain.rst b/docs/formatdomain.rst index 29d2e02da1..f32fcf03d5 100644 --- a/docs/formatdomain.rst +++ b/docs/formatdomain.rst @@ -1112,8 +1112,11 @@ NUMA Node Tuning ``memory`` The optional ``memory`` element specifies how to allocate memory for the domain process on a NUMA host. It contains several optional attributes. - Attribute ``mode`` is either 'interleave', 'strict', or 'preferred', defaults - to 'strict'. Attribute ``nodeset`` specifies the NUMA nodes, using the same + Attribute ``mode`` is either 'interleave', 'strict', 'preferred' or + 'restrictive', defaults to 'strict'. The value 'restrictive' specifies + using system default policy and only cgroups is used to restrict the + memory nodes, and it requires setting mode to 'restrictive' in ``memnode`` + elements. Attribute ``nodeset`` specifies the NUMA nodes, using the same syntax as attribute ``cpuset`` of element ``vcpu``. Attribute ``placement`` ( :since:`since 0.9.12` ) can be used to indicate the memory placement mode for domain process, its value can be either "static" or "auto", defaults to -- 2.25.4