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From 9697d24cc223028555629af325af8607de350d06 Mon Sep 17 00:00:00 2001
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Message-Id: <9697d24cc223028555629af325af8607de350d06@dist-git>
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From: Pavel Hrdina <phrdina@redhat.com>
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Date: Mon, 1 Jul 2019 17:07:39 +0200
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Subject: [PATCH] vircgroup: introduce virCgroupV2SetMemory
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
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(cherry picked from commit 63bd23a6ad17331cdc31bc07fd8b21a96d4b2eb0)
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Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1689297
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Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
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Message-Id: <d2076f596f9e8b58571e19334f23e295f72a2ee5.1561993100.git.phrdina@redhat.com>
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Reviewed-by: Ján Tomko <jtomko@redhat.com>
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---
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src/util/vircgroupv2.c | 29 +++++++++++++++++++++++++++++
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1 file changed, 29 insertions(+)
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diff --git a/src/util/vircgroupv2.c b/src/util/vircgroupv2.c
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index 52d31925c2..1b7215d98b 100644
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--- a/src/util/vircgroupv2.c
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+++ b/src/util/vircgroupv2.c
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@@ -1015,6 +1015,33 @@ virCgroupV2GetBlkioDeviceWriteBps(virCgroupPtr group,
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}
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+static int
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+virCgroupV2SetMemory(virCgroupPtr group,
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+ unsigned long long kb)
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+{
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+ unsigned long long maxkb = VIR_DOMAIN_MEMORY_PARAM_UNLIMITED;
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+
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+ if (kb > maxkb) {
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+ virReportError(VIR_ERR_INVALID_ARG,
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+ _("Memory '%llu' must be less than %llu"),
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+ kb, maxkb);
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+ return -1;
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+ }
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+
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+ if (kb == maxkb) {
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+ return virCgroupSetValueStr(group,
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+ VIR_CGROUP_CONTROLLER_MEMORY,
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+ "memory.max",
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+ "max");
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+ } else {
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+ return virCgroupSetValueU64(group,
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+ VIR_CGROUP_CONTROLLER_MEMORY,
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+ "memory.max",
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+ kb << 10);
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+ }
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+}
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+
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+
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virCgroupBackend virCgroupV2Backend = {
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.type = VIR_CGROUP_BACKEND_TYPE_V2,
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@@ -1051,6 +1078,8 @@ virCgroupBackend virCgroupV2Backend = {
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.getBlkioDeviceReadBps = virCgroupV2GetBlkioDeviceReadBps,
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.setBlkioDeviceWriteBps = virCgroupV2SetBlkioDeviceWriteBps,
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.getBlkioDeviceWriteBps = virCgroupV2GetBlkioDeviceWriteBps,
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+
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+ .setMemory = virCgroupV2SetMemory,
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};
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--
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2.22.0
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