From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 74B47C4345F for ; Tue, 23 Apr 2024 09:21:58 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id EC05E6B00EA; Tue, 23 Apr 2024 05:21:57 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id E6F6A6B00EB; Tue, 23 Apr 2024 05:21:57 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id D37EA6B00EC; Tue, 23 Apr 2024 05:21:57 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0013.hostedemail.com [216.40.44.13]) by kanga.kvack.org (Postfix) with ESMTP id B67516B00EA for ; Tue, 23 Apr 2024 05:21:57 -0400 (EDT) Received: from smtpin27.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay03.hostedemail.com (Postfix) with ESMTP id 3FADCA0E86 for ; Tue, 23 Apr 2024 09:21:57 +0000 (UTC) X-FDA: 82040254674.27.9E1B83B Received: from mail-pl1-f179.google.com (mail-pl1-f179.google.com [209.85.214.179]) by imf28.hostedemail.com (Postfix) with ESMTP id B49C9C0015 for ; Tue, 23 Apr 2024 09:21:54 +0000 (UTC) Authentication-Results: imf28.hostedemail.com; dkim=pass header.d=bytedance.com header.s=google header.b=lr4zvYOy; spf=pass (imf28.hostedemail.com: domain of pizhenwei@bytedance.com designates 209.85.214.179 as permitted sender) smtp.mailfrom=pizhenwei@bytedance.com; dmarc=pass (policy=quarantine) header.from=bytedance.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1713864115; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=2HQB5x5/Geh4QesSHMQ6J5Oee4AS8dKYNPWzhQc0IWE=; b=KGi5q7fkkpvUBK82F01pshZR245YwD84nIyZQxNFLpFBzZhoxojrq2o4Syl7FsQ06oVEdv QqtJoEf+LDPGsVna4FdWSKNrPf38hC49OyFHvjI2ZsePpglGxCvo5HLTQXkakkEEtczvWU 4XkwScsQ5ekK291upBBygOjx3XQu1kw= ARC-Authentication-Results: i=1; imf28.hostedemail.com; dkim=pass header.d=bytedance.com header.s=google header.b=lr4zvYOy; spf=pass (imf28.hostedemail.com: domain of pizhenwei@bytedance.com designates 209.85.214.179 as permitted sender) smtp.mailfrom=pizhenwei@bytedance.com; dmarc=pass (policy=quarantine) header.from=bytedance.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1713864115; a=rsa-sha256; cv=none; b=oBubRTzuOY8vKRzFn73NqJrQRuE/GpCO8AFefs9T16Ke/o/SMCfC7Wavzs+Q9YVwndNo/m aTjpE9RFCOLwhiqBFdcM/5SyQ9VrcSDwjIF5ZBc8NQk4ODnbexj5vbSE5/r6LaaKGG05Q4 RPX3wzDuOieySjgLzd1b4HT7eECWHv0= Received: by mail-pl1-f179.google.com with SMTP id d9443c01a7336-1e5aa82d1f6so39389505ad.0 for ; Tue, 23 Apr 2024 02:21:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance.com; s=google; t=1713864113; x=1714468913; darn=kvack.org; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=2HQB5x5/Geh4QesSHMQ6J5Oee4AS8dKYNPWzhQc0IWE=; b=lr4zvYOyXKS0+V1mWwjq/kDaH8uDkZZbFhLmF+Zo7tSl1RLESvm7xFHaxxNUD5/6Rr /bBocCoEWa2SI+kM+N5rN8gGFlQoL9NUcZr/z3wzIfAl1h908ZMhvjTGYL8RFDUAVSAQ uDT/4WjQ0yLc2UKjxE+1NhH8Xh1lRE5QBwxdmTrd7hDCcCIApumDyaOUmr+XGm4gMuG4 D444P6Nq2gMMWyk9bGDJKNiGk/CTS+b8Z2traJFmrxUVIihtVO0Pth9kChIoTcNtWeUL 50DIRoW9FSZpMniP330cMfIuoaJSarx3TIry5s32v1w23GLZ5GHdijQ0F7wzM4/j6v9a L04w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1713864113; x=1714468913; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=2HQB5x5/Geh4QesSHMQ6J5Oee4AS8dKYNPWzhQc0IWE=; b=XrDCuW3jm68qrXHE6SGnNRQeaQUN/DEsYiSPK7vc42i9dtBacMLIGZUhpgsj+MbOWA J8DaGE5UAzlMfS4iZJRbiNk95/nV3yI2JgrwCcwz2/tjK3Ng9fS871Nik50RIRbUcWVX 041UXwuwSiTwqqhXbjiM3uykY0HA2s5IsWy1HePlHQDU0DiZtNnb5Yyw+93MOjy41fuV j31amx8c1JPpcIPemgmsGINgD1w1Imylh9h9hJ4idfHOK3gWpSRcYN4de4T5/I5Q0jkd Nu8PCzXPTfy80TPXYFeXPTBpL7nGpwRTvh2w2p6XyoVqVpdCH/3gDW0TgGRGy09lZ82o Rc6Q== X-Forwarded-Encrypted: i=1; AJvYcCWFpVTeoknr9wKvJOHw1XvvFlxesB36gkVLxJZfTr/c+ea4wmt01Vm1ff9UAV2oiBdqdrDWUf39w/HTTS/vdsF2pys= X-Gm-Message-State: AOJu0YyT7nAFmLbPAFGOE7ORNQdcKT22gTqOy4cFS2nK9Re/Et/nBQsw w8fijuQq1OhR1uUgi6BqNKUwWFq2VWlOaMZYz00U15+FlTtPWnxFY+naq13h9Uw= X-Google-Smtp-Source: AGHT+IGNbPUgoPFYpHt28v7DULAEOmvD5VLEYjWmHxgKiyi3KxYYlHK+lL1oHrJ3+ZdleSTJCgMaQA== X-Received: by 2002:a17:903:1206:b0:1e4:53b6:6be with SMTP id l6-20020a170903120600b001e453b606bemr2926772plh.1.1713864113257; Tue, 23 Apr 2024 02:21:53 -0700 (PDT) Received: from [10.3.43.196] ([61.213.176.14]) by smtp.gmail.com with ESMTPSA id h15-20020a170902680f00b001e89e7b2b74sm8884164plk.235.2024.04.23.02.21.50 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 23 Apr 2024 02:21:52 -0700 (PDT) Message-ID: <6e9d6af5-74bc-4e97-84c0-2ba8a6499da9@bytedance.com> Date: Tue, 23 Apr 2024 17:21:48 +0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: Re: [PATCH v3 2/4] virtio_balloon: introduce oom-kill invocations To: "Michael S. Tsirkin" Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, virtualization@lists.linux.dev, david@redhat.com, jasowang@redhat.com, xuanzhuo@linux.alibaba.com, akpm@linux-foundation.org References: <20240423034109.1552866-1-pizhenwei@bytedance.com> <20240423034109.1552866-3-pizhenwei@bytedance.com> <20240423051151-mutt-send-email-mst@kernel.org> Content-Language: en-US From: zhenwei pi In-Reply-To: <20240423051151-mutt-send-email-mst@kernel.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Stat-Signature: 1xzuoa78rbigg7oe9prbeoghjqoejfyp X-Rspamd-Queue-Id: B49C9C0015 X-Rspamd-Server: rspam10 X-Rspam-User: X-HE-Tag: 1713864114-145628 X-HE-Meta: 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 fBL/qKbk vH4RGjxCYOZlUHmhsmQdR4CtC2pSP+W96i74BwtGcW0AqMwDsDrpvAYMCDyyzGTz9r/jU+/GqpgxUSk8eFw41OOogFktbZZHLLnpKxMRbrQSeBsmlufA+0IhA7gjRGhu8yWqxtr6uSEZjeb+aHKfQC8j+bDrQyYlZnw0J9NV6cMOVlXTUVcAYPsDWHY17eNJDilE6LqKKr6b+mgZttWiQq6BSc47RamR3tweqHz5xqvu2WTB5hrBWXtERsKy30bBWxFjVVKIoefUVDWq7J0AJj7OtbeYDM1HkZkn63c9jl4DWlVadw87huPH+WcFeEMZEiW3K851b5WBLI/qF9lwb5l4Ug5tCIz9MgQzung7HvW+1ZVRgXh16UdxDm+kiwntbEfpNhFvdzPrH99ypna/yoO8m9qRfsrdMNWRvL+5ujRO3HSjE4XPL7Y3ugBbAfvuj82GF1YGehpp0Cg8= X-Bogosity: Ham, tests=bogofilter, spamicity=0.020239, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 4/23/24 17:13, Michael S. Tsirkin wrote: > On Tue, Apr 23, 2024 at 11:41:07AM +0800, zhenwei pi wrote: [snip] >> #define VIRTIO_BALLOON_S_NAMES_WITH_PREFIX(VIRTIO_BALLOON_S_NAMES_prefix) { \ >> VIRTIO_BALLOON_S_NAMES_prefix "swap-in", \ > > Looks like a useful extension. But > any UAPI extension has to go to virtio spec first. > Sure, I'll send related virtio spec changes once virtio comment mail list gets ready. >> @@ -83,7 +84,8 @@ struct virtio_balloon_config { >> VIRTIO_BALLOON_S_NAMES_prefix "available-memory", \ >> VIRTIO_BALLOON_S_NAMES_prefix "disk-caches", \ >> VIRTIO_BALLOON_S_NAMES_prefix "hugetlb-allocations", \ >> - VIRTIO_BALLOON_S_NAMES_prefix "hugetlb-failures" \ >> + VIRTIO_BALLOON_S_NAMES_prefix "hugetlb-failures", \ >> + VIRTIO_BALLOON_S_NAMES_prefix "oom-kills" \ >> } >> >> #define VIRTIO_BALLOON_S_NAMES VIRTIO_BALLOON_S_NAMES_WITH_PREFIX("") >> -- >> 2.34.1 > -- zhenwei pi