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[130.117.225.111]) by mx.google.com with ESMTPS id ffacd0b85a97d-4887a874e6esi5996470f8f.389.2026.09.25.09.54.08 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 25 Sep 2026 09:54:08 -0700 (PDT) Received-SPF: pass (google.com: domain of khorenko@virtuozzo.com designates 130.117.225.111 as permitted sender) client-ip=130.117.225.111; Authentication-Results: mx.google.com; dkim=pass header.i=@virtuozzo.com header.s=relay header.b=Vn1+B3Ll; spf=pass (google.com: domain of khorenko@virtuozzo.com designates 130.117.225.111 as permitted sender) smtp.mailfrom=khorenko@virtuozzo.com; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=virtuozzo.com DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=virtuozzo.com; s=relay; h=Message-Id:Content-Type:MIME-Version:Subject:Date :From; bh=3X4dZqZB1cWMDm7sOHvXFd+KLfZ+ZpH9Xog8v2AQHiU=; b=Vn1+B3LlDsrXwbN6XB1 2VwcUARZgezSFae1TAjRLZ/RoV75UGdbqIp8E9VzxPxEeCliNn7hdsLQw54dnxO2cDIUrq618vd6a LdMtzr8EL0CHsgT8Jvr7L+4oQbfpqsZ1R5L6zA9k0RzR5OG+ePyvC+0BQ1+rrgPXZ1AzYVObcYa7l Zm0g7ttYLEGpcvss4ogDYSfxl5t3NQhuiaJuMry8ZO3RnO2yVUbMQ8wO/UboFMi1tjE1RcMrioEI1 Grdw4B3yn1q7gjEln32GT+PkdX112clrlog89DehL5Ugf74Q5K05sOzHH06L9cJfu3LrwXWI+IS09 wj/CyTOhg2sRg0A==; Received: from ch-demo-asa.virtuozzo.com ([130.117.225.8] helo=f0.sw.ru) by relay.virtuozzo.com with esmtp (Exim 4.96) (envelope-from ) id 1xA986-00CFkL-0I; Fri, 25 Sep 2026 18:53:34 +0200 From: Konstantin Khorenko Date: Fri, 25 Sep 2026 18:53:31 +0200 MIME-Version: 1.0 Message-Id: <20260925-b4-kh-ve_fail-v10-10-77a6b6ea4205@virtuozzo.com> References: <20260925-b4-kh-ve_fail-v10-0-77a6b6ea4205@virtuozzo.com> In-Reply-To: <20260925-b4-kh-ve_fail-v10-0-77a6b6ea4205@virtuozzo.com> To: Vasileios Almpanis , Pavel Tikhomirov , cover.1789491989.git.vladimir.riabchun@virtuozzo.com, Konstantin Khorenko , devel@openvz.org X-Mailer: b4 0.16.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=2913; i=khorenko@virtuozzo.com; h=from:subject:message-id; bh=fY8nOwEAV6TCCqu/4v9qTAAAs/cHTxZ7aZ6ODojC3vk=; b=owEBbQKS/ZANAwAKAVGWCkf5YVwqAcsmYgBqtqcOt4b+weqM73a9I43shT+dFn2liywXscV8w qbjG/C5oXGJAjMEAAEKAB0WIQRWD23IPcXT0GO9CCxRlgpH+WFcKgUCaranDgAKCRBRlgpH+WFc KjCqEACEa2uQhVlIRY+6miuMykQ2v8Woe/9aLg0h9jR6EU1WNZy/5i0/ReJbb9iDHoremK4Smf4 PpUlMMry5ODvUMXHpWCICK+L2RiZrbgbuBMqm0ijDd4OusEzTjLr3k9aD3apzGi22TKY2Joj549 ju7Co6/u7tLh2DSSKn2ZtSwv21CHh2fpw+177KgB7FlnOEzirEVQdxyvu5alpKE4m+qsinJmoz3 dv79PxgkA2+k5cAiiv2w5fkFxIbsP3vWRuuBcoL6+8HomRbDCwDtWp3EFtJINxWiIcLh/V3EIw4 NM6FTGgYM/E7EOFOMO5vxRH6QShbtiwY+qlexw7jtbMGq29uyVM3N/kQ+vhlvExuuSDlraaEcmJ 3hd234JT2lCuYRkTGwzTwTCGfuvP2XUbvSStaT6+qSa93oNvOA0x9d2aQ5H5bY5OBeI5TSsPXg3 zVKtXpjtYPAHAHY9Bwxn+CkWGuoB7kXcMV8WOuaWRNUzlvyOqwJYpse3rx7BzxnLm6RJyGEtakp wKdvXB7M2wnyEjk+B3/l5iHSY1kTed4vNmW0D6G270/2NmhBEDzv4p8TUEajKEKRrKlcqaKwKP5 f84YD5Lm8LFdEdtOKnp52rzkOXPvS1aGkzwyv9JxED8HriGNpsGGFnYArrT4IKfuXn5anSxAGM3 0aY2pBocPdqwHNA== X-Developer-Key: i=khorenko@virtuozzo.com; a=openpgp; fpr=560F6DC83DC5D3D063BD082C51960A47F9615C2A X-OZ-Fwd: true Subject: [Devel] [PATCH hci-8.1 v10 10/13] ve: add netif failcounter X-BeenThere: devel@openvz.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: OpenVZ development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: devel-bounces@openvz.org Errors-To: devel-bounces@openvz.org From: Vladimir Riabchun Count hits of the per-VE network interface limit in ve.failcount. The per-site "increase ve::netif_max_nr" hints are replaced by the unified message from ve_failcount_inc. https://virtuozzo.atlassian.net/browse/VSTOR-135520 Feature: per-ve failcounters Signed-off-by: Vladimir Riabchun Signed-off-by: Konstantin Khorenko --- include/linux/ve.h | 1 + kernel/ve/ve.c | 3 +++ net/core/dev.c | 10 ++-------- 3 files changed, 6 insertions(+), 8 deletions(-) diff --git a/include/linux/ve.h b/include/linux/ve.h index 0395e37208849..5d94470692f72 100644 --- a/include/linux/ve.h +++ b/include/linux/ve.h @@ -84,6 +84,7 @@ struct ve_struct { int netns_max_nr; atomic_t netif_avail_nr; + atomic_t netif_failcount; int netif_max_nr; atomic_t bpf_prog_avail_nr; diff --git a/kernel/ve/ve.c b/kernel/ve/ve.c index 4c3acda6b135e..8505c1dae4a18 100644 --- a/kernel/ve/ve.c +++ b/kernel/ve/ve.c @@ -103,6 +103,7 @@ struct ve_struct ve0 = { .netns_failcount = ATOMIC_INIT(0), .netns_max_nr = INT_MAX, .netif_avail_nr = ATOMIC_INIT(INT_MAX), + .netif_failcount = ATOMIC_INIT(0), .netif_max_nr = INT_MAX, .bpf_prog_avail_nr = ATOMIC_INIT(INT_MAX), .bpf_prog_max_nr = INT_MAX, @@ -798,6 +799,7 @@ static struct cgroup_subsys_state *ve_create(struct cgroup_subsys_state *parent_ ve->netns_max_nr = NETNS_MAX_NR_DEFAULT; atomic_set(&ve->netif_avail_nr, NETIF_MAX_NR_DEFAULT); + atomic_set(&ve->netif_failcount, 0); ve->netif_max_nr = NETIF_MAX_NR_DEFAULT; atomic_set(&ve->bpf_prog_avail_nr, BPF_PROG_MAX_NR_DEFAULT); @@ -1090,6 +1092,7 @@ static const struct ve_failcount_entry { #define VE_FC_ENTRY(name) { #name, offsetof(struct ve_struct, name##_failcount) } VE_FC_ENTRY(netns), VE_FC_ENTRY(mnt), + VE_FC_ENTRY(netif), {} }; diff --git a/net/core/dev.c b/net/core/dev.c index c7dddb200489f..7632ad1fd0151 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -10997,10 +10997,7 @@ int register_netdevice(struct net_device *dev) ret = -ENOMEM; if (atomic_dec_if_positive(&net->owner_ve->netif_avail_nr) < 0) { - ve_pr_warn_ratelimited(VE_LOG_BOTH, - "CT%s: hits max number of network devices, " - "increase ve::netif_max_nr parameter\n", - ve_name(net->owner_ve)); + ve_failcount_inc(net->owner_ve, netif); return ret; } @@ -12211,10 +12208,7 @@ int __dev_change_net_namespace(struct net_device *dev, struct net *net, err = -ENOMEM; if (atomic_dec_if_positive(&net->owner_ve->netif_avail_nr) < 0) { - ve_pr_warn_ratelimited(VE_LOG_BOTH, - "CT%s: hits max number of network devices, " - "increase ve::netif_max_nr parameter\n", - ve_name(net->owner_ve)); + ve_failcount_inc(net->owner_ve, netif); goto out; } atomic_inc(&dev_net(dev)->owner_ve->netif_avail_nr); -- 2.43.0 _______________________________________________ Devel mailing list Devel@openvz.org https://lists.openvz.org/mailman/listinfo/devel