From patchwork Wed Oct 12 12:00:38 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Liu Shixin X-Patchwork-Id: 13004964 X-Patchwork-Delegate: palmer@dabbelt.com 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 A9B76C433FE for ; Wed, 12 Oct 2022 11:11:59 +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=VPF3LMtMqEuZ4gb+PbVyd4nm9QWp+JLpGnh9XjP3HfQ=; b=HmZr188s1Mq5kX g+1HE8XZ2TzeSd/gLC8CSJ8bfPBhHgPXVqmxegjSRE/h9GCTKJMNfh/IfbCsR+vFU1Oy7iHL7wb9C 3Ksqoem0nFJzhDPn5hScPzlflbxYpPgnjw31hZ0dpCHaixODWjrPVkbtn3hEK0smmI22xqaRNopym ZRY7h+bGo3yFelHMX4o1/SVthX4RW3c0nZYPlTF/uroO13fr5ckBCxc7e0sheOz2y2XDOZyzot8ps k8r0b/EgzM3wicKrM2q4c9vecnXRpozUwr9f8XfKRFPO36l/5kBgvj90DVI4NIjaSssu5GRY3CD9R oV6vGEyLMk6t24C1aHPQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oiZeM-007nc7-FI; Wed, 12 Oct 2022 11:11:46 +0000 Received: from szxga08-in.huawei.com ([45.249.212.255]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oiZeG-007nYQ-Vm for linux-riscv@lists.infradead.org; Wed, 12 Oct 2022 11:11:42 +0000 Received: from dggpemm500020.china.huawei.com (unknown [172.30.72.55]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4MnVGY6nKyz1P73k; Wed, 12 Oct 2022 19:07:01 +0800 (CST) Received: from dggpemm100009.china.huawei.com (7.185.36.113) by dggpemm500020.china.huawei.com (7.185.36.49) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Wed, 12 Oct 2022 19:11:36 +0800 Received: from huawei.com (10.175.113.32) by dggpemm100009.china.huawei.com (7.185.36.113) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Wed, 12 Oct 2022 19:11:35 +0800 From: Liu Shixin To: Conor Dooley , Kefeng Wang , =?utf-8?b?QmrDtnJuIFTDtnBlbA==?= , Jonathan Corbet , Paul Walmsley , Palmer Dabbelt , Albert Ou CC: , , , Liu Shixin Subject: [PATCH v3 2/2] riscv: Enable HAVE_ARCH_HUGE_VMALLOC for 64BIT Date: Wed, 12 Oct 2022 20:00:38 +0800 Message-ID: <20221012120038.1034354-3-liushixin2@huawei.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221012120038.1034354-1-liushixin2@huawei.com> References: <20221012120038.1034354-1-liushixin2@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.113.32] X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) To dggpemm100009.china.huawei.com (7.185.36.113) X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221012_041141_218637_7C82F0DE X-CRM114-Status: UNSURE ( 6.54 ) 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 After we support HAVE_ARCH_HUGE_VMAP, we can now enable HAVE_ARCH_HUGE_VMALLOC too. This feature has been used in kvmalloc and alloc_large_system_hash for now. This feature can be disabled by kernel parameters "nohugevmalloc". Signed-off-by: Liu Shixin Reviewed-by: Björn Töpel Tested-by: Björn Töpel --- arch/riscv/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index a4d597203bd9..fded181c9e50 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -70,6 +70,7 @@ config RISCV select GENERIC_TIME_VSYSCALL if MMU && 64BIT select GENERIC_VDSO_TIME_NS if HAVE_GENERIC_VDSO select HAVE_ARCH_AUDITSYSCALL + select HAVE_ARCH_HUGE_VMALLOC if HAVE_ARCH_HUGE_VMAP select HAVE_ARCH_HUGE_VMAP if MMU && 64BIT && !XIP_KERNEL select HAVE_ARCH_JUMP_LABEL if !XIP_KERNEL select HAVE_ARCH_JUMP_LABEL_RELATIVE if !XIP_KERNEL