[libvirt] [PATCH] memtune: Let virsh know the unlimited value for memory tunables

From: Nikunj A. Dadhania <nikunj(a)linux.vnet.ibm.com&gt; Display unlimited when the memory cgroup settings says so. Unlimited is represented by INT64_MAX in memory cgroup. Signed-off-by: Nikunj A. Dadhania <nikunj(a)linux.vnet.ibm.com&gt; Reported-by: Justin Clift <jclift(a)redhat.com&gt; --- tools/virsh.c | 10 ++++++++-- 1 files changed, 8 insertions(+), 2 deletions(-) diff --git a/tools/virsh.c b/tools/virsh.c index 55e2a68..bee875c 100644 --- a/tools/virsh.c +++ b/tools/virsh.c @@ -2987,9 +2987,15 @@ cmdMemtune(vshControl * ctl, const vshCmd * cmd) params[i].value.l); break; case VIR_DOMAIN_MEMORY_PARAM_ULLONG: - vshPrint(ctl, "%-15s: %llu\n", params[i].field, - params[i].value.ul); + { + unsigned long long max_kbytes = INT64_MAX >> 10; + if (params[i].value.ul == max_kbytes) + vshPrint(ctl, "%-15s: unlimited\n", params[i].field); + else + vshPrint(ctl, "%-15s: %llu\n", params[i].field, + params[i].value.ul); break; + } case VIR_DOMAIN_MEMORY_PARAM_DOUBLE: vshPrint(ctl, "%-15s: %f\n", params[i].field, params[i].value.d);