Received: by 2002:a05:7412:cfc7:b0:fc:a2b0:25d7 with SMTP id by7csp1536879rdb; Mon, 19 Feb 2024 21:37:24 -0800 (PST) X-Forwarded-Encrypted: i=3; AJvYcCX6cwAXNgzg7jKlhjYPivNbJIr6YovIY/wJPNeSY0IEqW9z5J08nnoy5sT4+wm3aRNgjeRMnn5AiuEwfY3LdCbKxrmHY1Assl6NZEnbtQ== X-Google-Smtp-Source: AGHT+IFSZvA7LKoNwZQx7eGenmUpTUSGbLk7OmTbmKJmWZrsZ2P4w7yWVUyb8OHMc0cEwGXm7BWy X-Received: by 2002:a05:6512:acc:b0:512:a741:95fb with SMTP id n12-20020a0565120acc00b00512a74195fbmr6240143lfu.28.1708407444542; Mon, 19 Feb 2024 21:37:24 -0800 (PST) ARC-Seal: i=2; a=rsa-sha256; t=1708407444; cv=pass; d=google.com; s=arc-20160816; b=ZSt/tGhc5mFt0qpr4gud+ilSu7j2zh7yXfqBpzfysxZ6eYapc4f09YWAHrcvtV3qPy 9LXGIqAteuYDcos9ylmEAonyaZGi4GcHXrcYLRWHPWa14J87N2yfYLFY/HnvyWl3LKA2 5ssmjFMCLwaAYksyOXUmujAgWqDKwyG7DfCHt89t1qzK3TigOpCgTESk9sTfrm5oo8eq xf/lmvRQdXJ9c+R5ll+WpKaNGEAiqmuIPn3V2lPlxWc+TTIcXBl7BnqFUgUjY9TdCXpM tcYYzUM7qOVveqUL06WBQOHy2cuM6i+2vci/QTUwQLYiDcq4cR/t1eH8xe7DXxVHPkyT dptw== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:list-unsubscribe:list-subscribe :list-id:precedence:dkim-signature; bh=epXJvx8kfZs2UPFVQeXKxt1knSk8Sbs7nYpVog557AQ=; fh=4PSJ4rWgf6tn1F2pUirO3O2tmbGKAD0oq6k57nClAwc=; b=ntS2v4sOuJA0XGLvh836gEAa8YXnGEiAWBhS3dFYgBuqmI7qXG7PcYzogalHhMLgbO 0KLPWpnI0EIaWbg+ZuC/zrvyDs93RjAL4s4Zn63RJuFsFsFJ9h/9I+sNMkgaL9bTFNEL iBonDJjTCLFktN94QMzKeOJFqa67VwYSIEyrh+MY2akUROydhG8d9Swpe5P3YMycBz17 XjdPmlsZoj7m+RTt09DudriKSpXRwuFSKMi+AEm9KkEJ41OeQ2UqEnWoPZ2gMLCrWLdY XO4+d+fBGJ7HYDL3DCC2bVNN4/krPZRoY3kP66MyXtolqVZTo/BKg5ZULV3zKp3c2Lcf 14CA==; dara=google.com ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@gmail.com header.s=20230601 header.b=gUogoZLC; arc=pass (i=1 spf=pass spfdomain=gmail.com dkim=pass dkdomain=gmail.com dmarc=pass fromdomain=gmail.com); spf=pass (google.com: domain of linux-kernel+bounces-72351-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:4601:e00::3 as permitted sender) smtp.mailfrom="linux-kernel+bounces-72351-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Return-Path: Received: from am.mirrors.kernel.org (am.mirrors.kernel.org. [2604:1380:4601:e00::3]) by mx.google.com with ESMTPS id v14-20020a056402348e00b005641a3140b6si2979612edc.299.2024.02.19.21.37.24 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 19 Feb 2024 21:37:24 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-72351-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:4601:e00::3 as permitted sender) client-ip=2604:1380:4601:e00::3; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20230601 header.b=gUogoZLC; arc=pass (i=1 spf=pass spfdomain=gmail.com dkim=pass dkdomain=gmail.com dmarc=pass fromdomain=gmail.com); spf=pass (google.com: domain of linux-kernel+bounces-72351-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:4601:e00::3 as permitted sender) smtp.mailfrom="linux-kernel+bounces-72351-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by am.mirrors.kernel.org (Postfix) with ESMTPS id 4A2991F214AB for ; Tue, 20 Feb 2024 05:37:24 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id B0DC056B8E; Tue, 20 Feb 2024 05:37:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="gUogoZLC" Received: from mail-qt1-f180.google.com (mail-qt1-f180.google.com [209.85.160.180]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 84291288CF for ; Tue, 20 Feb 2024 05:37:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.160.180 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708407436; cv=none; b=e4SOBMo3QhiNRJB/J5K4ae7TK+yeWjGdYycP9duZe7Z+tymgY+657vcFOWxPd5womcmK5qhP1YWKrBuNMqd+OB0E1UK8sW3zNMJrXHwyreQV//n7A3sFzy8ZlMYeZvaWKor6CyxFuw72vbOikQ2Es8NYBNn2RYCrmsvQCdgBWWA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708407436; c=relaxed/simple; bh=epXJvx8kfZs2UPFVQeXKxt1knSk8Sbs7nYpVog557AQ=; h=MIME-Version:References:In-Reply-To:From:Date:Message-ID:Subject: To:Cc:Content-Type; b=aawJ/jbTOM6oea9hJurpeU4InF30pvtULX8uPtGF9C4Za/Ijsbzr/AG/3ZwsYNJrjdjD/mDzYS+OKh2PHKTnImY4UHN2d9utKnos0DAkXnP/LN1KuqPcpvYQS4kxPy9ebFd7TVL6uGWQhxkj3gTSEpY5GT1S4L3D1h5x4DjH0T0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=gUogoZLC; arc=none smtp.client-ip=209.85.160.180 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Received: by mail-qt1-f180.google.com with SMTP id d75a77b69052e-42c78fde6b7so10591551cf.1 for ; Mon, 19 Feb 2024 21:37:15 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1708407434; x=1709012234; darn=vger.kernel.org; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=epXJvx8kfZs2UPFVQeXKxt1knSk8Sbs7nYpVog557AQ=; b=gUogoZLC4TicirnHsmXLUBPVjsSZGuvSNQOUV5HtK4RqeUdr0vc2cb+ZP1p7srT7td nCLpZWLzAxRKs9CJ38yB7ihwtbgrwNoQWs9j9foM5cwh6xtveq3r/2PfClRgTzA2mWUS 6CxQ372rVCTgy9EpwSF3hBQxmtcypXVr6mjLadfdLmtOKwN/zzYcRt7XfD7Fo+PWG/gv kUvHDTJXFUzMpRG5QXPW0qy5kTlbWGV1QE4BjSEDNonZS08QU+ZtQtsUJPwSDzC/4Uiv cmZMEpfW5+eOHJEL+HfuPVP8n25u9LCzcGnDhn29ZCZv6PBBR/R1PGNYkjXJAlasGC60 voIw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1708407434; x=1709012234; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=epXJvx8kfZs2UPFVQeXKxt1knSk8Sbs7nYpVog557AQ=; b=vLTcjuq/96Y+r+PuthP7t30nt+LxwFSpmETs9xX180BNo1dMe8GeWoai0n7KPzAY5h Cv+AOFzJoFw/u4WDkM1bMmEcQQl+yuiu/IksA6LYwX9MbxuBQ4JfXcdgO6Mk1WUl7wq0 DOklTXyE1Elu7jllQ4ff/8GsW6OAA2IK8L5ap3uljQU2RcB3/JQag1AmQ9wcTM1VmB7f Sy8I7z9nkqo5rE9OOCQnViMqOSfzhDNQg2/vdBsl9keX7hKHwnSP4ygFeGreQvOrRGeH 5vZVojOFZxIq8wuSG02i6PunkM+ZYbJZVzDwIvWO+tcbNzbdPPZ2D1p6pZcPMNb+OOtP 4rSQ== X-Forwarded-Encrypted: i=1; AJvYcCXiEHkIF3N/d3kFehOfEbDOA1GUWlxHzDGz+OaeorjiD9VperZ5Rjfuj6/5opbAMrWy6GKCpq+JRLhvVTQaGpN3Azg0VixWgwSrj4NP X-Gm-Message-State: AOJu0Ywr6Yog0WmD1brtLRPZLd6A/ZYadCL7e9crHIfwaCDbs9s+7wBd tSvordszJbpMplwZXbkr7Y+hn7Rn20CmBhIwGZ4fXz2UNF/6lygNxZ5gX94qvdbWJ/6n+C7uDEg 5Q7IvDF6LXzx6xXwwb6UaxnZyy0Q= X-Received: by 2002:a05:6214:628:b0:68d:14b3:917c with SMTP id a8-20020a056214062800b0068d14b3917cmr12929445qvx.0.1708407434260; Mon, 19 Feb 2024 21:37:14 -0800 (PST) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 References: <91c50335-e7b6-4ae1-9dad-a0c990b52021@suse.cz> <20240219152836.11d36709c594e66fe3037f2d@linux-foundation.org> <7e31accb-db01-486f-afb8-18a3f5402d00@suse.cz> In-Reply-To: <7e31accb-db01-486f-afb8-18a3f5402d00@suse.cz> From: Mikhail Gavrilov Date: Tue, 20 Feb 2024 10:37:03 +0500 Message-ID: Subject: Re: regression/bisected commit 773688a6cb24b0b3c2ba40354d883348a2befa38 make my system completely unusable under high load To: Vlastimil Babka Cc: Andrew Morton , Marco Elver , Andrey Konovalov , glider@google.com, dvyukov@google.com, eugenis@google.com, Oscar Salvador , Linux List Kernel Mailing , Linux Memory Management List Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Tue, Feb 20, 2024 at 4:50=E2=80=AFAM Vlastimil Babka wr= ote: > > > > I'm all confused. > > > > 4434a56ec209 ("stackdepot: make fast paths lock-less again") was > > mainlined for v6.8-rc3. > > Uh sorry, I just trusted the info that it's not merged and didn't verify > it myself. Yeah, I can see it is there. > Wait, I am talk about these two patches which is not merged yet: [PATCH v2 1/2] stackdepot: use variable size records for non-evictable entr= ies [PATCH v2 2/2] kasan: revert eviction of stack traces in generic mode https://lore.kernel.org/linux-mm/20240129100708.39460-1-elver@google.com/ -- Best Regards, Mike Gavrilov.