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 E8AD6C6FD1C for ; Fri, 24 Mar 2023 05:23:09 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 357EC6B0075; Fri, 24 Mar 2023 01:23:09 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 308406B0078; Fri, 24 Mar 2023 01:23:09 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 1D0CB6B007B; Fri, 24 Mar 2023 01:23:09 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id 0FCDF6B0075 for ; Fri, 24 Mar 2023 01:23:09 -0400 (EDT) Received: from smtpin14.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay05.hostedemail.com (Postfix) with ESMTP id DED66408A6 for ; Fri, 24 Mar 2023 05:23:08 +0000 (UTC) X-FDA: 80602648056.14.4FD9D34 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by imf17.hostedemail.com (Postfix) with ESMTP id 3FB084000A for ; Fri, 24 Mar 2023 05:23:07 +0000 (UTC) Authentication-Results: imf17.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b="GbLy/9J0"; spf=pass (imf17.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=1679635387; 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=8A86cDEE59UHJGK5L7okc0K9nvdFWbXcZiV5H/QWzUg=; b=RfXPGOW6QRufVjITrLIfv9dAd6E1sOz1rOoXRxLbWcl7AV8T25OddaejIVQT6ejZveT+ZL UHZT2Zh3BB3lZonBv7bU9Q+ksk+sxXwUZblzoCN6riRw1y/2nS8NKS43YfvgBwUqRNANRZ UT5+TriI47YEfQGSQ7DzWZSPgsJu6BE= ARC-Authentication-Results: i=1; imf17.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b="GbLy/9J0"; spf=pass (imf17.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=1679635387; a=rsa-sha256; cv=none; b=xFH6I61ybn/klmb2LxhHHXRSsGUgiMmXzpYgGYAr9gew6qBAcjqkT4u3xt5yldL6rFYbwb Ksj86pGCy4pidCG2OjnhSLzHFly2ch7RzWUPL1dLs2naRtG9NJsKyadks7NYzb37dDxesY mNo4O9FWB3tdC382/9nZaq4bzDbKBKA= 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 6ADF662954; Fri, 24 Mar 2023 05:23:06 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1394BC4339B; Fri, 24 Mar 2023 05:22:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1679635385; bh=9ATx9vtaxxZ78yfIvd/M2TJNWeGD41Uj539wCBrC8Ps=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=GbLy/9J0iGr8pROsdzVEGDgszUavDtQ1QhgvcyzqJBfWTWlYAVh4pS+lkSRQI+yiF 2/8Fr6QPnWJMS0ILNRzNCn0eg32Xwj2hgzteehjPgUa6QOtZ9VUDMQSD4mOjShn24P dJVvEm5KIBhsd05g2eFR+KwAGSwBLYzu/vFe0mrSZn3j7VUxcXwIqtbe6X+6w95ff8 QtWIdUH1LnfbU1+deWp70VehsdMSkgTK8N7RkuYuYak8iKr7lfCLXhjJ18DyoiyuhU 9NmDjaUo5hDv9hr8fEuoYbS6U/bVOtaRlU22/AlwnH1UVeVdZUqBI73IlLfSmCEkN7 ZtEiKa7YaBYLQ== 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 02/14] arm64: drop ranges in definition of ARCH_FORCE_MAX_ORDER Date: Fri, 24 Mar 2023 08:22:21 +0300 Message-Id: <20230324052233.2654090-3-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: 3FB084000A X-Stat-Signature: q8ugpz7wk6kzu43sricxxkw1zrsisoeb X-Rspam-User: X-Rspamd-Server: rspam08 X-HE-Tag: 1679635387-285377 X-HE-Meta: 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 BvG5mi8h NQxUBI3Y+n+A43CX1JoR0ok0bTuRTvS8gdSMPBKVa2fP4HPn4L7hKQ0fVASOL21uxQuo/XLzi8InOWTx/qREsvquB/OI8cilxBDnxyEPCgSLkVmGC751fUyBjT+tMBL2B11TBqQZtu0eUaN6MVLPbjsradoJ6rAnb+Xt31/8QZP0GxrzA/T7L8ELRirCp6ljrCXa2jYL/kmssBPYTgnyRp4LyUZRUExOZUPsRM6SZ+VEEe7tKPCCTzd9XSJtf//7Usoog99CtuQ3S2E9n/GHeji/kA2CdVJWlx1Ld2uTPYCmcRBm4t0XobyQp60Z78cDHhTVNWc6/nQk7wpPSJWiYE8/CnOA8foQ4mVWYQ8JlLqvq171CmTxi+1qSREvdnk2UUZZIBSKV1vLjKts9MHWLM59DdtZ7C9OzrKz+3w1tt03rXPheKb28HgvVCMtSi2M+QVJo 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)" It is not a good idea to change fundamental parameters of core memory management. Having predefined ranges suggests that the values within those ranges are sensible, but one has to *really* understand implications of changing MAX_ORDER before actually amending it and ranges don't help here. Drop ranges in definition of ARCH_FORCE_MAX_ORDER and make its prompt visible only if EXPERT=y Signed-off-by: Mike Rapoport (IBM) --- arch/arm64/Kconfig | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index e60baf7859d1..7324032af859 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -1487,11 +1487,9 @@ config XEN # 16K | 27 | 14 | 13 | 11 | # 64K | 29 | 16 | 13 | 13 | config ARCH_FORCE_MAX_ORDER - int "Maximum zone order" if ARM64_4K_PAGES || ARM64_16K_PAGES + int "Maximum zone order" if EXPERT && (ARM64_4K_PAGES || ARM64_16K_PAGES) default "13" if ARM64_64K_PAGES - range 11 13 if ARM64_16K_PAGES default "11" if ARM64_16K_PAGES - range 10 15 if ARM64_4K_PAGES default "10" help The kernel memory allocator divides physically contiguous memory -- 2.35.1