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vircgroup: introduce virCgroupV2(Set|Get)MemoryHardLimit

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Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
This commit is contained in:
Pavel Hrdina 2018-08-17 16:56:31 +02:00
parent 495f60edcb
commit 2aa5385c58
1 changed files with 43 additions and 0 deletions
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43
src/util/vircgroupv2.c
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@ -1129,6 +1129,47 @@ virCgroupV2GetMemoryUsage(virCgroupPtr group,
}
static int
virCgroupV2SetMemoryHardLimit(virCgroupPtr group,
unsigned long long kb)
{
return virCgroupV2SetMemory(group, kb);
}
static int
virCgroupV2GetMemoryHardLimit(virCgroupPtr group,
unsigned long long *kb)
{
VIR_AUTOFREE(char *) value = NULL;
unsigned long long max;
if (virCgroupGetValueStr(group,
VIR_CGROUP_CONTROLLER_MEMORY,
"memory.max", &value) < 0) {
return -1;
}
if (STREQ(value, "max")) {
*kb = VIR_DOMAIN_MEMORY_PARAM_UNLIMITED;
return 0;
}
if (virStrToLong_ull(value, NULL, 10, &max) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Failed to parse value '%s' as number."),
value);
return -1;
}
*kb = max >> 10;
if (*kb >= VIR_DOMAIN_MEMORY_PARAM_UNLIMITED)
*kb = VIR_DOMAIN_MEMORY_PARAM_UNLIMITED;
return 0;
}
virCgroupBackend virCgroupV2Backend = {
.type = VIR_CGROUP_BACKEND_TYPE_V2,
@ -1169,6 +1210,8 @@ virCgroupBackend virCgroupV2Backend = {
.setMemory = virCgroupV2SetMemory,
.getMemoryStat = virCgroupV2GetMemoryStat,
.getMemoryUsage = virCgroupV2GetMemoryUsage,
.setMemoryHardLimit = virCgroupV2SetMemoryHardLimit,
.getMemoryHardLimit = virCgroupV2GetMemoryHardLimit,
};