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vircgroup: introduce virCgroupV2SetMemory

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Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
This commit is contained in:
Pavel Hrdina 2018-08-17 16:54:59 +02:00
parent 91756fb64a
commit 63bd23a6ad
1 changed files with 29 additions and 0 deletions
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29
src/util/vircgroupv2.c
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@ -1014,6 +1014,33 @@ virCgroupV2GetBlkioDeviceWriteBps(virCgroupPtr group,
}
static int
virCgroupV2SetMemory(virCgroupPtr group,
unsigned long long kb)
{
unsigned long long maxkb = VIR_DOMAIN_MEMORY_PARAM_UNLIMITED;
if (kb > maxkb) {
virReportError(VIR_ERR_INVALID_ARG,
_("Memory '%llu' must be less than %llu"),
kb, maxkb);
return -1;
}
if (kb == maxkb) {
return virCgroupSetValueStr(group,
VIR_CGROUP_CONTROLLER_MEMORY,
"memory.max",
"max");
} else {
return virCgroupSetValueU64(group,
VIR_CGROUP_CONTROLLER_MEMORY,
"memory.max",
kb << 10);
}
}
virCgroupBackend virCgroupV2Backend = {
.type = VIR_CGROUP_BACKEND_TYPE_V2,
@ -1050,6 +1077,8 @@ virCgroupBackend virCgroupV2Backend = {
.getBlkioDeviceReadBps = virCgroupV2GetBlkioDeviceReadBps,
.setBlkioDeviceWriteBps = virCgroupV2SetBlkioDeviceWriteBps,
.getBlkioDeviceWriteBps = virCgroupV2GetBlkioDeviceWriteBps,
.setMemory = virCgroupV2SetMemory,
};