From 9697d24cc223028555629af325af8607de350d06 Mon Sep 17 00:00:00 2001 Message-Id: <9697d24cc223028555629af325af8607de350d06@dist-git> From: Pavel Hrdina Date: Mon, 1 Jul 2019 17:07:39 +0200 Subject: [PATCH] vircgroup: introduce virCgroupV2SetMemory MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Pavel Hrdina (cherry picked from commit 63bd23a6ad17331cdc31bc07fd8b21a96d4b2eb0) Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1689297 Signed-off-by: Pavel Hrdina Message-Id: Reviewed-by: Ján Tomko --- src/util/vircgroupv2.c | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/src/util/vircgroupv2.c b/src/util/vircgroupv2.c index 52d31925c2..1b7215d98b 100644 --- a/src/util/vircgroupv2.c +++ b/src/util/vircgroupv2.c @@ -1015,6 +1015,33 @@ 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, @@ -1051,6 +1078,8 @@ virCgroupBackend virCgroupV2Backend = { .getBlkioDeviceReadBps = virCgroupV2GetBlkioDeviceReadBps, .setBlkioDeviceWriteBps = virCgroupV2SetBlkioDeviceWriteBps, .getBlkioDeviceWriteBps = virCgroupV2GetBlkioDeviceWriteBps, + + .setMemory = virCgroupV2SetMemory, }; -- 2.22.0