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 0FE7BC6FD1C for ; Thu, 23 Mar 2023 09:24:08 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id A5A946B0078; Thu, 23 Mar 2023 05:24:07 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id A0C586B0082; Thu, 23 Mar 2023 05:24:07 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 8D3C66B0089; Thu, 23 Mar 2023 05:24:07 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0012.hostedemail.com [216.40.44.12]) by kanga.kvack.org (Postfix) with ESMTP id 7B7D36B0078 for ; Thu, 23 Mar 2023 05:24:07 -0400 (EDT) Received: from smtpin28.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay04.hostedemail.com (Postfix) with ESMTP id 4F6081A06A5 for ; Thu, 23 Mar 2023 09:24:07 +0000 (UTC) X-FDA: 80599626534.28.29A5671 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by imf05.hostedemail.com (Postfix) with ESMTP id 99F61100014 for ; Thu, 23 Mar 2023 09:24:05 +0000 (UTC) Authentication-Results: imf05.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=WIWeaGhk; spf=pass (imf05.hostedemail.com: domain of rppt@kernel.org designates 145.40.68.75 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=1679563445; a=rsa-sha256; cv=none; b=WF5PAFSAqb8zauApXyWogsZtWhqcfwqggFDNXDEpWIP7I2hDXnmjDfYfOwUdfuTM4qTvkT C/SYTFaJ81/nu/pTXrr4hIaJ4BRZtm5IqC0TvT6j8waHK7pBh0SUH6pc4gmKOlLkUoIuzK R86Vg6lisY44bB8nYeCC5++i7KHnurI= ARC-Authentication-Results: i=1; imf05.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=WIWeaGhk; spf=pass (imf05.hostedemail.com: domain of rppt@kernel.org designates 145.40.68.75 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=1679563445; 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=H32cuQ3SphckJ3aDr/4WYGo8VXam3pofa2cEPa/nrF8=; b=Yq7tanEau9sZ9UuG6aeKfwLEMd8anq2TswPlc/B7VCpprgTnluk/E0Pe03dG2Q2yC7KPkm MaRLsfp07gjGN2WUExeG/L2RPpRWnjwx/OKdeI+UyYYQrftu7NyCC9fvhV0BECEK4tRIuq jaGP9C57BOZrG/obdQJqgj51wBp92fI= 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 ams.source.kernel.org (Postfix) with ESMTPS id 2B63EB82033; Thu, 23 Mar 2023 09:24:01 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E4E88C433A8; Thu, 23 Mar 2023 09:23:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1679563440; bh=cLED8RkguNRC7M0dLtOL32lQLdxQxLek8h+Azi/Gy6Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=WIWeaGhkdAVAFsei9Bza8wkj6njjW2uuNU19Ix52dZIy4kTovKxu2Yzdc1Dz5INgk 6Pg8B0dxqUnQqAGPRddvXBDr04oxwsZgfgMfgJcU2jrpRxwEnlQEkRrI1EaXpZ/Sd3 J1R1AHdgpJEjig/ZCiDv6lRb6moY7coIH3tSLS9pooMmPjppzT+nQQhT/DWOAlRgqO qm0cc8RB1yphHkpFQoCij3s1dldJDU1nXnNLUsJgMOQ4HfK7QoHZuhf2AiVIoE2wS5 yFRQUoFek2mX0QhpEnHG0I8VwxyFZGYOyQDQfZMNp/sVEaoPdJET5/f6iAfGlVUfv5 tjTM9P6gnulFg== 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 14/14] xtensa: reword ARCH_FORCE_MAX_ORDER prompt and help text Date: Thu, 23 Mar 2023 11:21:56 +0200 Message-Id: <20230323092156.2545741-15-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-Queue-Id: 99F61100014 X-Rspamd-Server: rspam01 X-Stat-Signature: k3j1e49g44ciwqqcb1ittpab873izmfh X-HE-Tag: 1679563445-139403 X-HE-Meta: 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 jVWk4ZMf HsQIdt7wBNLdyERaHpoyaLHMXQ89GE6lIOa8mFcCpIItZPHd7wGvBA1mXLP4PDK6XDXe9AL+h5aObBzvGtJge8gjVkdjMbD+zzptGLGy15byh+AfISYuntae7dfB4n2WsJNzX+L6wujhANlyvWjiX/fy4Sf9ROBH3EMwPWnyhCILQeAX5Rq/UHU+YNRoAR+a+6SPWJmYWJVBp8k/4bBGvPOARu8bw9/bTtKUfv06nS0SbJBKX6AlfgiICQ5uJMBPxs9UYW2dFJSz0HarnKNPERNgBeuLgw6+9pIv0oUfjd7PxkLRwpz3ga+8qkgJl7BHlvWjx 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/xtensa/Kconfig | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig index 3eee334ba873..3c6e5471f025 100644 --- a/arch/xtensa/Kconfig +++ b/arch/xtensa/Kconfig @@ -772,15 +772,17 @@ config HIGHMEM If unsure, say Y. config ARCH_FORCE_MAX_ORDER - int "Maximum zone order" + int "Order of maximal physically contiguous allocations" 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. endmenu -- 2.35.1