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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8C9E4C433EF for ; Tue, 7 Dec 2021 22:34:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237767AbhLGWiA (ORCPT ); Tue, 7 Dec 2021 17:38:00 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:56169 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232434AbhLGWh7 (ORCPT ); Tue, 7 Dec 2021 17:37:59 -0500 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-392-WUUmRtOOOjeIVypQ5p3rKg-1; Tue, 07 Dec 2021 17:34:27 -0500 X-MC-Unique: WUUmRtOOOjeIVypQ5p3rKg-1 Received: by mail-yb1-f199.google.com with SMTP id l145-20020a25cc97000000b005c5d04a1d52so930173ybf.23 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=SNoNaXUUwK1OHay/NDtTCQfzbA1hCJRYjvhnq+/Hd3HZKJqy+WEFEl/n99Vhg5ULpY yPpe3h2889dsk3+y7QZ6OrWmUDI/pt1ksbvnioeLvmv6jQ5VcWaYi/DOQoJH/JXL0zof bzLrrvHrQ0vlKhbZrahOs60MK7r5+ds8jtPQsGv5xYpTt/wiujzgpdaF7yc8EYxr1y23 F8pyByTxoGZHQLP3xLM+lt4aX4NCOsiAziPOM/4+J5fj4znJTguVfkEkKtGiUhDUvgnA hLUN06lB2iQz3+V3k4KwJqSJ8kMjWLle0Vqhsn1lZZwdRW/ZXo5yW4t8g3tvzywOEUw6 54eQ== X-Gm-Message-State: AOAM532TR8P0CPkDOCDP+ouQpmLGdCRZPcOYAyK3Gc+PjxzUVo1X8X9+ KNakRSN3f6vQZJPmPBvJbY0GD6YKcObnnd+yI5y/67I1W9nOGLhgE15ABkRS7vFWA612oK+dWKU SeW9V2JQh6A2o4yNW1OEQ9XhyS+ttjs7GwgyfQu7B X-Received: by 2002:a25:3489:: with SMTP id b131mr52484734yba.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 Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Reproducer: https://gitlab.com/jsavitz/oom_futex_reproducer