NUMA_NODE_RELATIONSHIP structure (winnt.h)
Represents information about a NUMA node in a processor group. This structure is used with the GetLogicalProcessorInformationEx function.
Syntax
typedef struct _NUMA_NODE_RELATIONSHIP {
DWORD NodeNumber;
BYTE Reserved[18];
WORD GroupCount;
union {
GROUP_AFFINITY GroupMask;
GROUP_AFFINITY GroupMasks[ANYSIZE_ARRAY];
} DUMMYUNIONNAME;
} NUMA_NODE_RELATIONSHIP, *PNUMA_NODE_RELATIONSHIP;
Members
NodeNumber
The number of the NUMA node.
Reserved[18]
This member is reserved.
GroupCount
The number of groups included in the GroupMasks array. This field was introduced in Windows 20H2. On earlier versions, this value is always 0.
DUMMYUNIONNAME
DUMMYUNIONNAME.GroupMask
A GROUP_AFFINITY structure that specifies a group number and processor affinity within the group.
DUMMYUNIONNAME.GroupMasks[ANYSIZE_ARRAY]
An array of GROUP_AFFINITY structure that specifies a group number and processor affinity within the group.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 7 [desktop apps only] |
| Minimum supported server | Windows Server 2008 R2 [desktop apps only] |
| Header | winnt.h |