From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on archive.lwn.net X-Spam-Level: X-Spam-Status: No, score=-5.8 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by archive.lwn.net (Postfix) with ESMTP id 9474E7D90F for ; Fri, 1 Nov 2019 04:04:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728005AbfKAEEt (ORCPT ); Fri, 1 Nov 2019 00:04:49 -0400 Received: from mail-pg1-f194.google.com ([209.85.215.194]:39136 "EHLO mail-pg1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726351AbfKAEEs (ORCPT ); Fri, 1 Nov 2019 00:04:48 -0400 Received: by mail-pg1-f194.google.com with SMTP id p12so5612729pgn.6; Thu, 31 Oct 2019 21:04:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=QsWota2Z/1CKC8Q2G+ABbLlBht6wDe5bQYoK9v/iJIQ=; b=YuaqAmiZ8VGIpENUY9ZbesjxC4hTJg6sflDLOXoSgfCgxGYPHp8xKKj95T/3A0nsM7 NfQ0PGpocPsSiqoaJi9y6XPApw/yZbqhSj8I1ZYHAOkdZFQnF/IBq4YSvpsZZ8v5m01v 4dDxVTO0Cdqo9FE7X7KdOVOyjIMK6JRxf7scDVF2qpiYP4X+oYkKJ8+9jxwbdUoS5OKG NDVckaOBmeMADxMgo0wJLLLjFhW7HhQ0GWNT3999Hmk3Fiw3ea/sYxJ3YhBjQ+R3Gtql NSf6QXqRjxKYTL0+F7fJvI4+uoFkmpu/0OSEDceUKCE3hsd0BBZzBCzuVzfv8etjZF9K WC/g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=QsWota2Z/1CKC8Q2G+ABbLlBht6wDe5bQYoK9v/iJIQ=; b=KUi3RalP/YfZoTI0R5BA4oamKxPGQ0jXnSr4YRHc2JubXXmjoCHRyHLdWm5E2/wEuE M57G7lWp6CAviQyKg3nh0Sy1lFEDJg46onUUALl78PsZ18UBdW/YRumTNUczLFuH7dtr Y4mshi8LjtGbAxC/Apnf2x7oCmaIdbX0kn3AASLA//GsgXm30xLMiG64DFeU93Ma7vHC nPgbN09Uh7NrLoX6nHj/GoSnaXtSmMwbLhzTI+hmJaOF71bgE3KLuHzL30UG8hBP4I9M fnkZG/WvcN8MjmKgr1dJusaWcyp6vpTj9O2SxjeOH0gTJFyMyPfmWLQMP2BFCiGsbRh9 SWAw== X-Gm-Message-State: APjAAAUlxRMsNuDpTHpvDrL7tE8I3MgrzMQcaCs1p9jsEs5RIu86Doue vz6jpqxIXvKo0jGajYd7oNA= X-Google-Smtp-Source: APXvYqzhDiYlZFckPQVD6GH/zbn70eZz0om2uIJE636BdWD7xClrh4P979cJfbsJRoQntMNNzq+CvA== X-Received: by 2002:a17:90a:cc07:: with SMTP id b7mr4015780pju.135.1572581087105; Thu, 31 Oct 2019 21:04:47 -0700 (PDT) Received: from masabert (i118-21-156-233.s30.a048.ap.plala.or.jp. [118.21.156.233]) by smtp.gmail.com with ESMTPSA id a33sm4660713pgb.57.2019.10.31.21.04.46 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 31 Oct 2019 21:04:46 -0700 (PDT) Received: by masabert (Postfix, from userid 1000) id AF86920128D; Fri, 1 Nov 2019 13:04:44 +0900 (JST) From: Masanari Iida To: linux-kernel@vger.kernel.org, mhocko@suse.com, ebiederm@xmission.com, akpm@linux-foundation.org, stable@vger.kernel.org, corbet@lwn.net, linux-doc@vger.kernel.org, mingo@redhat.com Cc: Masanari Iida Subject: [PATCH 2/2] docs: admin-guide: Remove threads-max auto-tuning Date: Fri, 1 Nov 2019 13:04:38 +0900 Message-Id: <20191101040438.6029-2-standby24x7@gmail.com> X-Mailer: git-send-email 2.24.0.rc1 In-Reply-To: <20191101040438.6029-1-standby24x7@gmail.com> References: <20191101040438.6029-1-standby24x7@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-doc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org Since following path was merged in 5.4-rc3, auto-tuning feature in threads-max was not exist any more. Fix the admin-guide document as is. kernel/sysctl.c: do not override max_threads provided by userspace b0f53dbc4bc4c371f38b14c391095a3bb8a0bb40 Signed-off-by: Masanari Iida --- Documentation/admin-guide/sysctl/kernel.rst | 4 ---- 1 file changed, 4 deletions(-) diff --git a/Documentation/admin-guide/sysctl/kernel.rst b/Documentation/admin-guide/sysctl/kernel.rst index 38e0f10d7d9f..9035adbdff58 100644 --- a/Documentation/admin-guide/sysctl/kernel.rst +++ b/Documentation/admin-guide/sysctl/kernel.rst @@ -1109,10 +1109,6 @@ constant FUTEX_TID_MASK (0x3fffffff). If a value outside of this range is written to threads-max an error EINVAL occurs. -The value written is checked against the available RAM pages. If the -thread structures would occupy too much (more than 1/8th) of the -available RAM pages threads-max is reduced accordingly. - unknown_nmi_panic: ================== -- 2.24.0.rc1