[libvirt] [PATCH v3 09/13] Adding memtunables to libvirt-lxc command

Nikunj A. Dadhania nikunj at linux.vnet.ibm.com
Tue Sep 28 09:57:02 UTC 2010


From: Nikunj A. Dadhania <nikunj at linux.vnet.ibm.com>

libvirt-lxc now configures the hardlimit, softlimit and swaplimit, if
specified in the domain xml file or picks up the defaults.

Signed-off-by: Nikunj A. Dadhania <nikunj at linux.vnet.ibm.com>
---
 src/lxc/lxc_controller.c |   22 ++++++++++++++++++++++
 1 files changed, 22 insertions(+), 0 deletions(-)

diff --git a/src/lxc/lxc_controller.c b/src/lxc/lxc_controller.c
index 82ecce0..dee99b7 100644
--- a/src/lxc/lxc_controller.c
+++ b/src/lxc/lxc_controller.c
@@ -109,6 +109,28 @@ static int lxcSetContainerResources(virDomainDefPtr def)
                              def->name);
         goto cleanup;
     }
+    
+    rc = virCgroupSetMemoryHardLimit(cgroup, def->mem.hard_limit);
+    if (rc != 0) {
+        virReportSystemError(-rc,
+                             _("Unable to set memory hard limit for domain %s"),
+                             def->name);
+        goto cleanup;
+    }
+    rc = virCgroupSetMemorySoftLimit(cgroup, def->mem.soft_limit);
+    if (rc != 0) {
+        virReportSystemError(-rc,
+                             _("Unable to set memory soft limit for domain %s"),
+                             def->name);
+        goto cleanup;
+    }
+    rc = virCgroupSetSwapHardLimit(cgroup, def->mem.swap_hard_limit);
+    if (rc != 0) {
+        virReportSystemError(-rc,
+                             _("Unable to set swap hard limit for domain %s"),
+                             def->name);
+        goto cleanup;
+    }
 
     rc = virCgroupDenyAllDevices(cgroup);
     if (rc != 0) {




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