libvirt/SOURCES/libvirt-vircgroup-introduce...

86 lines
2.5 KiB
Diff

From d9dca0b3b1ad64bcde8d96b05538d4656ca93af3 Mon Sep 17 00:00:00 2001
Message-Id: <d9dca0b3b1ad64bcde8d96b05538d4656ca93af3@dist-git>
From: Pavel Hrdina <phrdina@redhat.com>
Date: Mon, 1 Jul 2019 17:07:42 +0200
Subject: [PATCH] vircgroup: introduce virCgroupV2(Set|Get)MemoryHardLimit
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
(cherry picked from commit 2aa5385c58d50270d7084f8d11a22ac993275dc0)
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1689297
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Message-Id: <dc9320d118699dc39071dc1f15b1094112cf5a04.1561993100.git.phrdina@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
---
src/util/vircgroupv2.c | 43 ++++++++++++++++++++++++++++++++++++++++++
1 file changed, 43 insertions(+)
diff --git a/src/util/vircgroupv2.c b/src/util/vircgroupv2.c
index 87d357b0a7..81a577d28f 100644
--- a/src/util/vircgroupv2.c
+++ b/src/util/vircgroupv2.c
@@ -1130,6 +1130,47 @@ 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,
@@ -1170,6 +1211,8 @@ virCgroupBackend virCgroupV2Backend = {
.setMemory = virCgroupV2SetMemory,
.getMemoryStat = virCgroupV2GetMemoryStat,
.getMemoryUsage = virCgroupV2GetMemoryUsage,
+ .setMemoryHardLimit = virCgroupV2SetMemoryHardLimit,
+ .getMemoryHardLimit = virCgroupV2GetMemoryHardLimit,
};
--
2.22.0