Add functions to set/get cgroup cpuset parameters

src/libvirt_private.syms

@@ -78,6 +78,7 @@ virCgroupGetCpuShares;
 virCgroupGetCpuCfsPeriod;
 virCgroupGetCpuCfsQuota;
 virCgroupGetCpuacctUsage;
+virCgroupGetCpusetMems;
 virCgroupGetFreezerState;
 virCgroupGetMemoryHardLimit;
 virCgroupGetMemorySoftLimit;
@@ -94,6 +95,7 @@ virCgroupSetBlkioWeight;
 virCgroupSetCpuShares;
 virCgroupSetCpuCfsPeriod;
 virCgroupSetCpuCfsQuota;
+virCgroupSetCpusetMems;
 virCgroupSetFreezerState;
 virCgroupSetMemory;
 virCgroupSetMemoryHardLimit;

src/util/cgroup.c

@@ -1204,6 +1204,38 @@ int virCgroupGetMemSwapHardLimit(virCgroupPtr group, unsigned long long *kb)
     return ret;
 }
 
+/**
+ * virCgroupSetCpusetMems:
+ *
+ * @group: The cgroup to set cpuset.mems for
+ * @mems: the numa nodes to set
+ *
+ * Returns: 0 on success
+ */
+int virCgroupSetCpusetMems(virCgroupPtr group, const char *mems)
+{
+    return virCgroupSetValueStr(group,
+                                VIR_CGROUP_CONTROLLER_CPUSET,
+                                "cpuset.mems",
+                                mems);
+}
+
+/**
+ * virCgroupGetCpusetMems:
+ *
+ * @group: The cgroup to get cpuset.mems for
+ * @mems: the numa nodes to get
+ *
+ * Returns: 0 on success
+ */
+int virCgroupGetCpusetMems(virCgroupPtr group, char **mems)
+{
+    return virCgroupGetValueStr(group,
+                                VIR_CGROUP_CONTROLLER_CPUSET,
+                                "cpuset.mems",
+                                mems);
+}
+
 /**
  * virCgroupDenyAllDevices:
  *

src/util/cgroup.h

@@ -119,6 +119,9 @@ int virCgroupGetCpuacctUsage(virCgroupPtr group, unsigned long long *usage);
 int virCgroupSetFreezerState(virCgroupPtr group, const char *state);
 int virCgroupGetFreezerState(virCgroupPtr group, char **state);
 
+int virCgroupSetCpusetMems(virCgroupPtr group, const char *mems);
+int virCgroupGetCpusetMems(virCgroupPtr group, char **mems);
+
 int virCgroupRemove(virCgroupPtr group);
 
 void virCgroupFree(virCgroupPtr *group);