From patchwork Tue Mar 25 12:16:12 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Guo Ren X-Patchwork-Id: 14029082 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C07EBC3600D for ; Tue, 25 Mar 2025 13:54:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=8iIndqRX8Pt3Py2cp283YyMWhTytY2ehQaCF1CJhpk0=; b=Zg6ZSNKvhpX/FL awuj0ONGK0gJ/4LQuIj+dhEwjQ3VKydWzwOk48GWHdHpzSMukp9x5vQt3CYdm0BqAsBE6yoez9w/6 XYmOnlR3MhSirh0dEDevIXk3lanOavGcdI6NJ/s+Pb+7vTKmCLKV5L2pTP4j7b7Gwapwk5Lv/fBkg qpBV7nskbat4ShrvBplxe7IUjS7gRF33Ee78m4hvTAZUy8RRNhAqsyLoRbJgreLE2n59gRO93EpE4 kd0MsN0eRJjBemgO9Af3in5QkF27NccH7Xs3dhMkSHVgVm6jgG9+fdLRjNCGpqswrWj90def5tToi ZSlEWKwriu70pWder/kA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.1 #2 (Red Hat Linux)) id 1tx4j9-000000066kE-0I6X; Tue, 25 Mar 2025 13:53:59 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.98.1 #2 (Red Hat Linux)) id 1tx3KE-00000005o1a-3hGF; Tue, 25 Mar 2025 12:24:13 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 30A625C5DAA; Tue, 25 Mar 2025 12:21:53 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 33EE3C4CEE9; Tue, 25 Mar 2025 12:23:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1742905449; bh=YlFb6KkzVSGSuegSI2MJMuDKnOb+jmQgRm/aIyv4ASM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=sWpvaUIxJ2xmK0FQF0ljHhlr/YashdPyYsTn7al4PxnIvUdy5/V+e9JCSqYjPiQ5E qVMLggXWg+4qFNOeniAE53fLZ1Prkl0/M6GeEuOJ+uT+3t3q7fV6UUS2UIgffUSeso wRSxhB5nlUaDz5ji9smEUpkoHf9ykZfP/NySchrJUTDEg5MhkdVVvAnNX4EACaRX4T pdKSFNThVJ1sR53X8HbMYhyVDRiX7Q6sFsJkcrdiRsi7pFRqIxw20GaRxB8ae45rL7 7llPuKtxuxdA0NoRclxRUGq3TI+0zr3JNpZA7Af2b2pgVGyaoWF87wcU8ebw0LTt3d JLIfeJGTL7Z9g== From: guoren@kernel.org To: arnd@arndb.de, gregkh@linuxfoundation.org, torvalds@linux-foundation.org, paul.walmsley@sifive.com, palmer@dabbelt.com, anup@brainfault.org, atishp@atishpatra.org, oleg@redhat.com, kees@kernel.org, tglx@linutronix.de, will@kernel.org, mark.rutland@arm.com, brauner@kernel.org, akpm@linux-foundation.org, rostedt@goodmis.org, edumazet@google.com, unicorn_wang@outlook.com, inochiama@outlook.com, gaohan@iscas.ac.cn, shihua@iscas.ac.cn, jiawei@iscas.ac.cn, wuwei2016@iscas.ac.cn, drew@pdp7.com, prabhakar.mahadev-lad.rj@bp.renesas.com, ctsai390@andestech.com, wefu@redhat.com, kuba@kernel.org, pabeni@redhat.com, josef@toxicpanda.com, dsterba@suse.com, mingo@redhat.com, peterz@infradead.org, boqun.feng@gmail.com, guoren@kernel.org, xiao.w.wang@intel.com, qingfang.deng@siflower.com.cn, leobras@redhat.com, jszhang@kernel.org, conor.dooley@microchip.com, samuel.holland@sifive.com, yongxuan.wang@sifive.com, luxu.kernel@bytedance.com, david@redhat.com, ruanjinjie@huawei.com, cuiyunhui@bytedance.com, wangkefeng.wang@huawei.com, qiaozhe@iscas.ac.cn Cc: ardb@kernel.org, ast@kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-mm@kvack.org, linux-crypto@vger.kernel.org, bpf@vger.kernel.org, linux-input@vger.kernel.org, linux-perf-users@vger.kernel.org, linux-serial@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-arch@vger.kernel.org, maple-tree@lists.infradead.org, linux-trace-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-atm-general@lists.sourceforge.net, linux-btrfs@vger.kernel.org, netfilter-devel@vger.kernel.org, coreteam@netfilter.org, linux-nfs@vger.kernel.org, linux-sctp@vger.kernel.org, linux-usb@vger.kernel.org, linux-media@vger.kernel.org Subject: [RFC PATCH V3 31/43] rv64ilp32_abi: maple_tree: Use BITS_PER_LONG instead of CONFIG_64BIT Date: Tue, 25 Mar 2025 08:16:12 -0400 Message-Id: <20250325121624.523258-32-guoren@kernel.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20250325121624.523258-1-guoren@kernel.org> References: <20250325121624.523258-1-guoren@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250325_052411_020542_BDE91A87 X-CRM114-Status: UNSURE ( 9.90 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org From: "Guo Ren (Alibaba DAMO Academy)" The Maple tree algorithm uses ulong type for each element. The number of slots is based on BITS_PER_LONG for RV64ILP32 ABI, so use BITS_PER_LONG instead of CONFIG_64BIT. Signed-off-by: Guo Ren (Alibaba DAMO Academy) --- include/linux/maple_tree.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/maple_tree.h b/include/linux/maple_tree.h index cbbcd18d4186..ff6265b6468b 100644 --- a/include/linux/maple_tree.h +++ b/include/linux/maple_tree.h @@ -24,7 +24,7 @@ * * Nodes in the tree point to their parent unless bit 0 is set. */ -#if defined(CONFIG_64BIT) || defined(BUILD_VDSO32_64) +#if (BITS_PER_LONG == 64) || defined(BUILD_VDSO32_64) /* 64bit sizes */ #define MAPLE_NODE_SLOTS 31 /* 256 bytes including ->parent */ #define MAPLE_RANGE64_SLOTS 16 /* 256 bytes */