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 8A240C76195 for ; Fri, 24 Mar 2023 05:23:02 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 1F9146B0074; Fri, 24 Mar 2023 01:23:02 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 1AA126B0075; Fri, 24 Mar 2023 01:23:02 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 070426B0078; Fri, 24 Mar 2023 01:23:02 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) by kanga.kvack.org (Postfix) with ESMTP id EC61B6B0074 for ; Fri, 24 Mar 2023 01:23:01 -0400 (EDT) Received: from smtpin20.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay08.hostedemail.com (Postfix) with ESMTP id C242814088F for ; Fri, 24 Mar 2023 05:23:01 +0000 (UTC) X-FDA: 80602647762.20.EA721B2 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by imf04.hostedemail.com (Postfix) with ESMTP id 1794440007 for ; Fri, 24 Mar 2023 05:22:59 +0000 (UTC) Authentication-Results: imf04.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=MMLxM8SB; spf=pass (imf04.hostedemail.com: domain of rppt@kernel.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=rppt@kernel.org; dmarc=pass (policy=none) header.from=kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1679635380; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=NQGnDlDuBcNOurmmiEdrgnfLyHxHctdMPNEQBPy+k0U=; b=LgL6qQHLwy4zQbMwur7+jkTh+cfjG9JeGzDSUdpRsEczdf+FwgRhO6WYYf0ysQkWgbnM6q lkyWBN4ps4BYTEenPSz2/cNkdnVDhdNYxt9y5y6dmSER4uDZdXGnIdYJQFq5IdEWMdR6wx VcjkYH/IXl+QpUczh+iXB1hCB0r5F/8= ARC-Authentication-Results: i=1; imf04.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=MMLxM8SB; spf=pass (imf04.hostedemail.com: domain of rppt@kernel.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=rppt@kernel.org; dmarc=pass (policy=none) header.from=kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1679635380; a=rsa-sha256; cv=none; b=I5tVbiyyzXQ4GoCgHJxTq4imN+ghW7bDcvImstlqe+NWBhNY4ODycPUNBtva2R1mB2x4Sk Bgb7I7wRDRot9gUyo7r+cGSlAShrRViVxLEju7mAgxu/jRcEdQfJeEO1UArgCHO+jtpjxh Aysvi0N5TYReK4QZA9gA0xKR/wDJs54= Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 1BDCB6292A; Fri, 24 Mar 2023 05:22:59 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id BAECBC433D2; Fri, 24 Mar 2023 05:22:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1679635378; bh=qIi0d905rrVxCnXjZ9vwyNe5X1lgBVvNa+6iMbheD+I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MMLxM8SBg2LnY33yzgRW64q0ygwSjALTMwxl1A165zPTLTDvPe0BAfBZHPRq5oIsn s1aH3PVmBDS7Ut+GuMVab3n8jniIXZKSGvDb8m0lR0aybVTLTI+od0D2CKutXGwxeb oxjLKC62aMYJEUCMI/wKA+ZSMH5fe0S3rkebKVerZyac6liS+2tnNLRMdqJcxzoKDL rVu88I6wSS9q8OxXzBVCM1+a67qjYj3ibJUlYmI6Sn1a/GmqT/tRik5Vc3hFV3UpAF wLyJjTkqrQbUN8D868PQT9yjfkykNDFbTy/SqmwTohdn6ePxVc1CPHuaZg30Ytfihe VFWpDS+brn3LQ== From: Mike Rapoport To: Andrew Morton Cc: Arnd Bergmann , Catalin Marinas , Christophe Leroy , "David S. Miller" , Dinh Nguyen , Geert Uytterhoeven , Guo Ren , John Paul Adrian Glaubitz , "Kirill A. Shutemov" , Max Filippov , Michael Ellerman , Mike Rapoport , Rich Felker , Russell King , Will Deacon , Yoshinori Sato , Zi Yan , linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-mm@kvack.org, linux-sh@vger.kernel.org, linux-xtensa@linux-xtensa.org, linuxppc-dev@lists.ozlabs.org, sparclinux@vger.kernel.org Subject: [PATCH v2 01/14] arm: reword ARCH_FORCE_MAX_ORDER prompt and help text Date: Fri, 24 Mar 2023 08:22:20 +0300 Message-Id: <20230324052233.2654090-2-rppt@kernel.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20230324052233.2654090-1-rppt@kernel.org> References: <20230324052233.2654090-1-rppt@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 1794440007 X-Stat-Signature: 4hyibsmxu8kwg19thgobchmf8k3kc73i X-Rspam-User: X-Rspamd-Server: rspam08 X-HE-Tag: 1679635379-683241 X-HE-Meta: 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 Bwiirf/z 0Og5U464s4hT+n8tHIbFC7Ji5Dk8IcPi9yDTKn0uSLyu2Lq8GUQCHNC7TH5psUm/EWbCyJhMc+tqVzRPFV7w/+6WUMau8lXWMZ+85eYSuEUwP1cFT4SuXxZNCz6pG1JQoVcr1HIG/njMmH3R9PRX586HL8T1sycPoHoR9h90+VxXDL0slex+TeBMBC70e5YhEtFE1+EoaSdgDF4pg33JtwiOkwAItSyp6vdMPjRxmWBRGLWU/SG3K4VZttc92IAeCE30Ym93dIIK5BmB4wh4B8TimfWDcSkbd4IAkltixC1aowRo+dHibwjgzHdTukCf0HkTorrh2JEkBUpMSx+YaskjIOoI80RuCZnRqv5xcAsVEV2CdSU+4Sh9rhH5jMOAiKzJNGHy/VRVPlEN6fdcpwaaSwQie3sb4AuOY5BhCWIyYn/p16pUaYb+RuknSrlP5MKA4ZQH+ltqDNqaYAIZw9er+DQ== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: From: "Mike Rapoport (IBM)" The prompt and help text of ARCH_FORCE_MAX_ORDER are not even close to describe this configuration option. Update both to actually describe what this option does. Signed-off-by: Mike Rapoport (IBM) Acked-by: Kirill A. Shutemov --- arch/arm/Kconfig | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 929e646e84b9..0b15384c62e6 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1354,17 +1354,19 @@ config ARM_MODULE_PLTS configurations. If unsure, say y. config ARCH_FORCE_MAX_ORDER - int "Maximum zone order" + int "Order of maximal physically contiguous allocations" default "11" if SOC_AM33XX default "8" if SA1111 default "10" help - The kernel memory allocator divides physically contiguous memory - blocks into "zones", where each zone is a power of two number of - pages. This option selects the largest power of two that the kernel - keeps in the memory allocator. If you need to allocate very large - blocks of physically contiguous memory, then you may need to - increase this value. + The kernel page allocator limits the size of maximal physically + contiguous allocations. The limit is called MAX_ORDER and it + defines the maximal power of two of number of pages that can be + allocated as a single contiguous block. This option allows + overriding the default setting when ability to allocate very + large blocks of physically contiguous memory is required. + + Don't change if unsure. config ALIGNMENT_TRAP def_bool CPU_CP15_MMU -- 2.35.1