[libvirt] [PATCH v4 09/13] Adding memtunables to libvirt-lxc command

From: Nikunj A. Dadhania <nikunj(a)linux.vnet.ibm.com&gt; v4: * Fix: call cgroup apis only if tunables are non zero v1: libvirt-lxc now configures the hardlimit, softlimit and swaplimit, if specified in the domain xml file or picks up the defaults. Acked-by: "Daniel P. Berrange" <berrange(a)redhat.com&gt; Signed-off-by: Nikunj A. Dadhania <nikunj(a)linux.vnet.ibm.com&gt; --- src/lxc/lxc_controller.c | 30 ++++++++++++++++++++++++++++++ 1 files changed, 30 insertions(+), 0 deletions(-) diff --git a/src/lxc/lxc_controller.c b/src/lxc/lxc_controller.c index 82ecce0..258130d 100644 --- a/src/lxc/lxc_controller.c +++ b/src/lxc/lxc_controller.c @@ -109,6 +109,36 @@ static int lxcSetContainerResources(virDomainDefPtr def) def->name); goto cleanup; } + + if(def->mem.hard_limit) { + 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; + } + } + + if(def->mem.soft_limit) { + 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; + } + } + + if(def->mem.swap_hard_limit) { + 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) {