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 2E00FC433F5 for ; Tue, 7 Dec 2021 22:34:50 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id B790C6B0071; Tue, 7 Dec 2021 17:34:39 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id B29A86B0072; Tue, 7 Dec 2021 17:34:39 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 9C9236B0073; Tue, 7 Dec 2021 17:34:39 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0126.hostedemail.com [216.40.44.126]) by kanga.kvack.org (Postfix) with ESMTP id 8F2BB6B0071 for ; Tue, 7 Dec 2021 17:34:39 -0500 (EST) Received: from smtpin04.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id 52F9E8A9B6 for ; Tue, 7 Dec 2021 22:34:29 +0000 (UTC) X-FDA: 78892453458.04.04F7B39 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by imf08.hostedemail.com (Postfix) with ESMTP id E508430000AD for ; Tue, 7 Dec 2021 22:34:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1638916468; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=NXV5aKDpOk1UCVYHUPyHCeEEX1ZRip9IPqxSBkIP9Vw=; b=fyOIGe/fdZUR7aNK2RZbWtYXl1Y48Cnf551WpZjCScH5pkwtZboPP3gCx1EgncbEyOzLcq +ruRltqN2I9WBVjtVdBO7g+H/kH26LYJslp3VnmrKpAReSDC4ar/B0nNx9JbeQV4lsz3jS 27lBglfLdv6iE3Kdnerz4byRecSuOqc= Received: from mail-yb1-f199.google.com (mail-yb1-f199.google.com [209.85.219.199]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-333-wscTmBjEN667B4m5JgT1jQ-1; Tue, 07 Dec 2021 17:34:27 -0500 X-MC-Unique: wscTmBjEN667B4m5JgT1jQ-1 Received: by mail-yb1-f199.google.com with SMTP id j18-20020a258152000000b006000d292a42so1168796ybm.0 for ; Tue, 07 Dec 2021 14:34:27 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=NXV5aKDpOk1UCVYHUPyHCeEEX1ZRip9IPqxSBkIP9Vw=; b=ficfdxIvN65RLSAJ69dJalAulZlRzysCDyIUkF0a9CH9PMwszHpKKysqyFXasruMkl HdHMc5Z8ymLPQ4PuIsrmfvUaKYn+waI0dmtgXUcgqBV30PzJkKUesUOXx6qudqndc4/r vCCm4A3EBwGcnKgTZ6ccAGP0ouv7Znf95Lizg10Or5RrfB21f7kUU7GWNInw2KSqlNvF Os7WHfOKMf2cgyWQ/hyVIgXjjdx6aho+JcfmP2/O1KTCWYm/nL6STEpr2V0ojZZl9T7s jyVOSzsm3IrsFnPrueBBaeQdkPLjW7tFqotvEzdfR4prqxYuYc/aDWRBB1AtLSWTc/ti 75aw== X-Gm-Message-State: AOAM533BV6RM9V/eUnvP7puNWMtRghulrw997znF7OQfJarmxv9jWXYc k49iwxMNdAnIYd5lDjrC1XKX8LRXfYvs9Zr594g9LqTo+K0NTDPXsWQjVtJfzoGd73MHzYWsysf rR2idVxoBiZdxNvgB/loHWlvnhus= X-Received: by 2002:a25:3489:: with SMTP id b131mr52484735yba.76.1638916466792; Tue, 07 Dec 2021 14:34:26 -0800 (PST) X-Google-Smtp-Source: ABdhPJwv1Ok19vrmvvNUoxVNCUs234zgV17Ov8mxAzDjk116VsbdGnjAw6jOamayBlBiEoKv4dNNtO9SuGcjSHkA0P8= X-Received: by 2002:a25:3489:: with SMTP id b131mr52484696yba.76.1638916466292; Tue, 07 Dec 2021 14:34:26 -0800 (PST) MIME-Version: 1.0 References: <20211207214902.772614-1-jsavitz@redhat.com> In-Reply-To: <20211207214902.772614-1-jsavitz@redhat.com> From: Joel Savitz Date: Tue, 7 Dec 2021 17:34:10 -0500 Message-ID: Subject: Re: [PATCH] mm/oom_kill: wake futex waiters before annihilating victim shared mutex To: linux-kernel Cc: Andrew Morton , Waiman Long , linux-mm@kvack.org, Nico Pache X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="UTF-8" X-Rspamd-Queue-Id: E508430000AD Authentication-Results: imf08.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b="fyOIGe/f"; spf=none (imf08.hostedemail.com: domain of jsavitz@redhat.com has no SPF policy when checking 170.10.129.124) smtp.mailfrom=jsavitz@redhat.com; dmarc=pass (policy=none) header.from=redhat.com X-Rspamd-Server: rspam04 X-Stat-Signature: iaqbxagrf4qtawwrgik6udq9xxwq6udy X-HE-Tag: 1638916468-501919 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000032, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Reproducer: https://gitlab.com/jsavitz/oom_futex_reproducer