From nobody Tue May 13 20:26:11 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) client-ip=209.132.183.28; envelope-from=libvir-list-bounces@redhat.com; helo=mx1.redhat.com; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) smtp.mailfrom=libvir-list-bounces@redhat.com; dmarc=pass(p=none dis=none) header.from=redhat.com Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by mx.zohomail.com with SMTPS id 1538469969834583.7438212988142; Tue, 2 Oct 2018 01:46:09 -0700 (PDT) Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 7680130014DB; Tue, 2 Oct 2018 08:46:07 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.20]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 2B38E79588; Tue, 2 Oct 2018 08:46:07 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id B0077181D0AB; Tue, 2 Oct 2018 08:46:06 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id w928jC9Y031511 for ; Tue, 2 Oct 2018 04:45:12 -0400 Received: by smtp.corp.redhat.com (Postfix) id 256B0100194A; Tue, 2 Oct 2018 08:45:12 +0000 (UTC) Received: from antique-work.brq.redhat.com (unknown [10.43.2.181]) by smtp.corp.redhat.com (Postfix) with ESMTP id 9B29410016DC for ; Tue, 2 Oct 2018 08:45:11 +0000 (UTC) From: Pavel Hrdina To: libvir-list@redhat.com Date: Tue, 2 Oct 2018 10:44:16 +0200 Message-Id: <479f7a945528b72d23d2f7b0446539f995266323.1538469654.git.phrdina@redhat.com> In-Reply-To: References: In-Reply-To: References: X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-loop: libvir-list@redhat.com Subject: [libvirt] [PATCH 32/53] vircgroup: introduce virCgroupV2SetMemoryHardLimit X-BeenThere: libvir-list@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: Development discussions about the libvirt library & tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Sender: libvir-list-bounces@redhat.com Errors-To: libvir-list-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.40]); Tue, 02 Oct 2018 08:46:08 +0000 (UTC) X-ZohoMail: RDMRC_0 RSF_0 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" Signed-off-by: Pavel Hrdina --- src/util/vircgroupv2.c | 43 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) diff --git a/src/util/vircgroupv2.c b/src/util/vircgroupv2.c index 9f37ff5be5..06522498f2 100644 --- a/src/util/vircgroupv2.c +++ b/src/util/vircgroupv2.c @@ -1132,6 +1132,47 @@ virCgroupV2GetMemoryUsage(virCgroupPtr group, } =20 =20 +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 =3D NULL; + unsigned long long max; + + if (virCgroupGetValueStr(group, + VIR_CGROUP_CONTROLLER_MEMORY, + "memory.max", &value) < 0) { + return -1; + } + + if (STREQ(value, "max")) { + *kb =3D 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 =3D max >> 10; + if (*kb >=3D VIR_DOMAIN_MEMORY_PARAM_UNLIMITED) + *kb =3D VIR_DOMAIN_MEMORY_PARAM_UNLIMITED; + + return 0; +} + + virCgroupBackend virCgroupV2Backend =3D { .type =3D VIR_CGROUP_BACKEND_TYPE_V2, =20 @@ -1172,6 +1213,8 @@ virCgroupBackend virCgroupV2Backend =3D { .setMemory =3D virCgroupV2SetMemory, .getMemoryStat =3D virCgroupV2GetMemoryStat, .getMemoryUsage =3D virCgroupV2GetMemoryUsage, + .setMemoryHardLimit =3D virCgroupV2SetMemoryHardLimit, + .getMemoryHardLimit =3D virCgroupV2GetMemoryHardLimit, }; =20 =20 --=20 2.17.1 -- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list