domain_cgroup.c: add virDomainCgroupSetupMemtune()

virLXCCgroupSetupMemTune() and qemuSetupMemoryCgroup() shares
duplicated code that can be put in a new helper to avoid
code repetition.

Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>

src/hypervisor/domain_cgroup.c

@@ -65,3 +65,22 @@ virDomainCgroupSetupBlkio(virCgroupPtr cgroup, virDomainBlkiotune blkio)
 
     return 0;
 }
+
+
+int
+virDomainCgroupSetupMemtune(virCgroupPtr cgroup, virDomainMemtune mem)
+{
+    if (virMemoryLimitIsSet(mem.hard_limit))
+        if (virCgroupSetMemoryHardLimit(cgroup, mem.hard_limit) < 0)
+            return -1;
+
+    if (virMemoryLimitIsSet(mem.soft_limit))
+        if (virCgroupSetMemorySoftLimit(cgroup, mem.soft_limit) < 0)
+            return -1;
+
+    if (virMemoryLimitIsSet(mem.swap_hard_limit))
+        if (virCgroupSetMemSwapHardLimit(cgroup, mem.swap_hard_limit) < 0)
+            return -1;
+
+    return 0;
+}

src/hypervisor/domain_cgroup.h

@@ -25,3 +25,4 @@
 
 
 int virDomainCgroupSetupBlkio(virCgroupPtr cgroup, virDomainBlkiotune blkio);
+int virDomainCgroupSetupMemtune(virCgroupPtr cgroup, virDomainMemtune mem);

src/libvirt_private.syms

@@ -1392,6 +1392,7 @@ virSetConnectStorage;
 
 # hypervisor/domain_cgroup.h
 virDomainCgroupSetupBlkio;
+virDomainCgroupSetupMemtune;
 
 
 # libvirt_internal.h

src/lxc/lxc_cgroup.c

@@ -112,19 +112,7 @@ static int virLXCCgroupSetupMemTune(virDomainDefPtr def,
     if (virCgroupSetMemory(cgroup, virDomainDefGetMemoryInitial(def)) < 0)
         return -1;
 
-    if (virMemoryLimitIsSet(def->mem.hard_limit))
+    return virDomainCgroupSetupMemtune(cgroup, def->mem);
-        if (virCgroupSetMemoryHardLimit(cgroup, def->mem.hard_limit) < 0)
-            return -1;
-
-    if (virMemoryLimitIsSet(def->mem.soft_limit))
-        if (virCgroupSetMemorySoftLimit(cgroup, def->mem.soft_limit) < 0)
-            return -1;
-
-    if (virMemoryLimitIsSet(def->mem.swap_hard_limit))
-        if (virCgroupSetMemSwapHardLimit(cgroup, def->mem.swap_hard_limit) < 0)
-            return -1;
-
-    return 0;
 }
 
 

src/qemu/qemu_cgroup.c

@@ -625,19 +625,7 @@ qemuSetupMemoryCgroup(virDomainObjPtr vm)
         }
     }
 
-    if (virMemoryLimitIsSet(vm->def->mem.hard_limit))
+    return virDomainCgroupSetupMemtune(priv->cgroup, vm->def->mem);
-        if (virCgroupSetMemoryHardLimit(priv->cgroup, vm->def->mem.hard_limit) < 0)
-            return -1;
-
-    if (virMemoryLimitIsSet(vm->def->mem.soft_limit))
-        if (virCgroupSetMemorySoftLimit(priv->cgroup, vm->def->mem.soft_limit) < 0)
-            return -1;
-
-    if (virMemoryLimitIsSet(vm->def->mem.swap_hard_limit))
-        if (virCgroupSetMemSwapHardLimit(priv->cgroup, vm->def->mem.swap_hard_limit) < 0)
-            return -1;
-
-    return 0;
 }