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 CBEF4C6FD1C for ; Thu, 23 Mar 2023 09:23:40 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 7020A6B007E; Thu, 23 Mar 2023 05:23:40 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 6D8336B0083; Thu, 23 Mar 2023 05:23:40 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 579506B0085; Thu, 23 Mar 2023 05:23:40 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0014.hostedemail.com [216.40.44.14]) by kanga.kvack.org (Postfix) with ESMTP id 4B0DB6B007E for ; Thu, 23 Mar 2023 05:23:40 -0400 (EDT) Received: from smtpin22.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay02.hostedemail.com (Postfix) with ESMTP id E8E6D1202EA for ; Thu, 23 Mar 2023 09:23:39 +0000 (UTC) X-FDA: 80599625358.22.48F810D Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by imf27.hostedemail.com (Postfix) with ESMTP id 27F7340012 for ; Thu, 23 Mar 2023 09:23:37 +0000 (UTC) Authentication-Results: imf27.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=GFFz5NaC; dmarc=pass (policy=none) header.from=kernel.org; spf=pass (imf27.hostedemail.com: domain of rppt@kernel.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=rppt@kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1679563418; 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=ieU6MJ2gfyQKdq+5xSbR/IAwtBG/2PyGitCA8Mx/mRE=; b=n+d8d6fQSMZQCwNbabDN/rRKSRo3KxkqBdTRNF5VA9QhUFysGW/0coBhcjLbOh/Ob4gMM3 qhsZBQ2VNChlGd37o9i79IioT+oijA52bnx9G9F2M7A5KSJKd7uNthw42h06Zh71P9DDWK s7yZZJyuF8A8qfTNjqmbaONOEbC45co= ARC-Authentication-Results: i=1; imf27.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=GFFz5NaC; dmarc=pass (policy=none) header.from=kernel.org; spf=pass (imf27.hostedemail.com: domain of rppt@kernel.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=rppt@kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1679563418; a=rsa-sha256; cv=none; b=uSi5hJaZmQewASJirVTZOVVw2HOfRxoU5b1Bv8RS5+ahqbFupHc8kN7GuGzQQ/VqRnEeA7 6Cf6loX4rCkuziz1RE5Oc8/XDN7MANgtyu46UoFF9exa0nWoraCR3vJAwpY9qldOl95CXw tiBM+xeKRIBrEeMAyGXu3rLTvS0/35E= 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 628A06256A; Thu, 23 Mar 2023 09:23:37 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2D02FC433A8; Thu, 23 Mar 2023 09:23:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1679563417; bh=xyXXkPdOs/21dd9fXLx/1W3XAfw4Vm18klKPTzgLDlE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=GFFz5NaC+vrwnSCGIu6c0oHMBmH41+j5nnZFHvFRMqQaOnlu8zCF23yQp8LqpSUt6 Qu329MdHdt1bUT9fJK06PoV31PmGAOtM86VmGGT1ePi7NlfJEiWbMRrc+lyLqcxUaC g3wJxdZ/KGyisazSl2iXmhi5XAujfAaBfhSNzNxy9q7dxCJ4yRuzdekruueK/KJns7 E9Xbl9WHZZsP+II+QP+PJH/FE+VWPnqb5Q0JLaSNy+ppD59eLK0NEmcrtk4Jwx7jp8 pagmMXBYAzaV+b1cDmcUqxElrUp+xt0+aQe1ggmHaoGesSG3y9jUY6DZ+ry7M/kiwn JU/N4Vy1Mv7nQ== 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 11/14] sh: reword ARCH_FORCE_MAX_ORDER prompt and help text Date: Thu, 23 Mar 2023 11:21:53 +0200 Message-Id: <20230323092156.2545741-12-rppt@kernel.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20230323092156.2545741-1-rppt@kernel.org> References: <20230323092156.2545741-1-rppt@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 27F7340012 X-Stat-Signature: 6o7u5azk4gq46d9of7nrimf7c33s9t3p X-HE-Tag: 1679563417-290657 X-HE-Meta: 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 Telz2Vwv XWvytZ2lnaZZELzonLDvec7uX66++jkj6xe6OqH1uEztVIKwpR3Gy7Jr+PmN8F6oHGgD8tAIJvlcAhyk2sdQELg5DrAQ4hArVyRCgHf2RbluecOQD1F6f3Vcz64qmwNTlbWi7DdnzOhyPvdoPHBuMdvlYUHYWTZZDvgShXg1eOT/4PoZvxjdRm6zLtsZlk6/azLuzYbQ6CbvoKq92wx5d1/T7bXvH4epU+c7MpR+Xo19IHaiJ+KVWSgJ7ITceoWrooORsgdqKM7wr/8g6LpFSnQz/V3dmzG8WsuJAKFdCez8rjts5OqYRPQ88XMSfNdv2Apcq/dGxWICxFWGNvPDdhmQDB2Da8HhnuWBsr+WHSzgCIWfsY885Gdf7YYFwu6fmo9NaQVzQe2eCZPGc5MLVLnGJMs9ZjdL2X4mjVkYv1Ld/FSq5ObhLV8BgF3BMy4cFL5OY 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) --- arch/sh/mm/Kconfig | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig index 40271090bd7d..fb15ba1052ba 100644 --- a/arch/sh/mm/Kconfig +++ b/arch/sh/mm/Kconfig @@ -19,8 +19,7 @@ config PAGE_OFFSET default "0x00000000" config ARCH_FORCE_MAX_ORDER - int "Maximum zone order" - range 8 63 if PAGE_SIZE_16KB + int "Order of maximal physically contiguous allocations" default "8" if PAGE_SIZE_16KB range 6 63 if PAGE_SIZE_64KB default "6" if PAGE_SIZE_64KB @@ -28,16 +27,18 @@ config ARCH_FORCE_MAX_ORDER default "13" if !MMU 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. The page size is not necessarily 4KB. Keep this in mind when choosing a value for this option. + Don't change if unsure. + config MEMORY_START hex "Physical memory start address" default "0x08000000" -- 2.35.1