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 X-Spam-Level: X-Spam-Status: No, score=-8.4 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_IN_DEF_DKIM_WL autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A2D88C352A3 for ; Fri, 14 Feb 2020 01:06:34 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 59E6E20848 for ; Fri, 14 Feb 2020 01:06:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="R5Lb2aDh" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 59E6E20848 Authentication-Results: mail.kernel.org; dmarc=fail (p=reject dis=none) header.from=google.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id C438A6B05CB; Thu, 13 Feb 2020 20:06:33 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id BCD7B6B05CD; Thu, 13 Feb 2020 20:06:33 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id ABC9D6B05CE; Thu, 13 Feb 2020 20:06:33 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0005.hostedemail.com [216.40.44.5]) by kanga.kvack.org (Postfix) with ESMTP id 907B16B05CB for ; Thu, 13 Feb 2020 20:06:33 -0500 (EST) Received: from smtpin02.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id 345C5181AEF1E for ; Fri, 14 Feb 2020 01:06:33 +0000 (UTC) X-FDA: 76486942266.02.lace36_392848a61be21 X-HE-Tag: lace36_392848a61be21 X-Filterd-Recvd-Size: 2860 Received: from mail-wm1-f51.google.com (mail-wm1-f51.google.com [209.85.128.51]) by imf50.hostedemail.com (Postfix) with ESMTP for ; Fri, 14 Feb 2020 01:06:32 +0000 (UTC) Received: by mail-wm1-f51.google.com with SMTP id b17so8877653wmb.0 for ; Thu, 13 Feb 2020 17:06:32 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:from:date:message-id:subject:to:cc; bh=b1WfdEUhG+CcS7SHex3Hmt9JJmLc+bka7GZZKezbbSA=; b=R5Lb2aDhuzo+kiahtk6JLq8pYs3bwTCwh0I2FpSDRNTjEsnQf7RNKmwusu8rfUtKus Gi0FRF0RwiC25uDyXBKE+CqfImCaKVmjsf5RMRa/8SPu2/5nzVFeMuIgkH1sPhTtFHfR pxBdzBxJ3r05zxZE5EHlW9lRjbxzPHnNBtF7dYO9UXtveziZPRnuTrdJ0FokLwGDqP/5 Vc0P8k8p69Y7/t9YI1c4Q3SpByDAuQD8c8Ibm6t8BePXbk1DHNenxBf4OHk6dctylv5l 3EB4ooz8S1wzez0VIPiPde+neJFYWu5hBmTaCvw+MZQhjXF+53J82uz8Duen6bJQVN9y g3zw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to:cc; bh=b1WfdEUhG+CcS7SHex3Hmt9JJmLc+bka7GZZKezbbSA=; b=NmFZw3P1zuS1OJ8PbKH7/Mz5lZA8kHpX2LshDwOZ8JRodCTXweymLL+AzZ2gC71rkC i7W66xPQ0U69GlbzkaQBPu7j2HVhUEs5uA5bWlgsa7aq4+nHXml5DKMoXfJ8UrCulB8O LKVap4NjQQv3TwlgmlvBbUtFz4ZjJ6wXL0BVemIlAt5KseVxFJgBglnj+NHQygfR06Cu wpC1IZwwcyK41sAugP8Sf06kqOKY48Y+mc70MmCUUE5Qci9BjuwFxf3y9m/IAV29ShqQ U1g08hZrXJ87gRID+pH3DzOPs63RHz+k0PTs16JKPgy5P0Y6drUaJFZGhGc62r6rDhWF wkkg== X-Gm-Message-State: APjAAAUcHwgWn5Pt1B4gN/rKkmvkvJoACzOiujjpETGmz/IWI6qOivnN bXz0W244kgs4TOPIyWRh/pgti91Yshn8/SsSPuVkOAMOaRem8w== X-Google-Smtp-Source: APXvYqx72jH4XH5GFJ1fEAIfJlLyAaSsm/oR7o+RhIm6swAPnCiE3p7lpP8MEfoWA/DLFsgfhYWfSh313qUfz0CqFNg= X-Received: by 2002:a7b:c392:: with SMTP id s18mr891638wmj.169.1581642390224; Thu, 13 Feb 2020 17:06:30 -0800 (PST) MIME-Version: 1.0 From: Sonny Rao Date: Thu, 13 Feb 2020 17:06:17 -0800 Message-ID: Subject: [LFS/MM/BPF Topic] User space OOM management on Chrome OS To: linux-mm@kvack.org Cc: lsf-pc@lists.linuxfoundation.org, Jesse Barnes , Brian Geffon , Vovo Yang , Yu Zhao , Joel Fernandes , Minchan Kim Content-Type: text/plain; charset="UTF-8" X-Bogosity: Ham, tests=bogofilter, spamicity=0.168767, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Memory management on Chrome OS - focus on userspace OOM handling I can discuss how we try to avoid invoking the kernel OOM-killer and share ~8 years of experience with that. I can also discuss our usage of Zram and per-process reclaim as well. Let me know if you guys think this would be a useful presentation, thanks.