From nobody Sun Dec 28 02:46:21 2025 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0577AC4332F for ; Thu, 14 Dec 2023 07:01:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1443273AbjLNHBY (ORCPT ); Thu, 14 Dec 2023 02:01:24 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50030 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234331AbjLNHBU (ORCPT ); Thu, 14 Dec 2023 02:01:20 -0500 Received: from szxga04-in.huawei.com (szxga04-in.huawei.com [45.249.212.190]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6F314F5 for ; Wed, 13 Dec 2023 23:01:26 -0800 (PST) Received: from mail.maildlp.com (unknown [172.19.162.112]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4SrN5h6bP5z29g0v; Thu, 14 Dec 2023 14:40:40 +0800 (CST) Received: from kwepemm000003.china.huawei.com (unknown [7.193.23.66]) by mail.maildlp.com (Postfix) with ESMTPS id 26D4514038F; Thu, 14 Dec 2023 14:41:49 +0800 (CST) Received: from huawei.com (10.175.113.32) by kwepemm000003.china.huawei.com (7.193.23.66) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.35; Thu, 14 Dec 2023 14:41:48 +0800 From: Nanyong Sun To: , , , , , CC: , , , , , Subject: [PATCH 3/3] arm64: mm: Re-enable OPTIMIZE_HUGETLB_VMEMMAP Date: Thu, 14 Dec 2023 15:39:12 +0800 Message-ID: <20231214073912.1938330-4-sunnanyong@huawei.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20231214073912.1938330-1-sunnanyong@huawei.com> References: <20231214073912.1938330-1-sunnanyong@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.175.113.32] X-ClientProxiedBy: dggems704-chm.china.huawei.com (10.3.19.181) To kwepemm000003.china.huawei.com (7.193.23.66) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Now update of vmemmap page table can follow the rule of break-before-make safely for arm64 architecture, re-enable HVO on arm64. Signed-off-by: Nanyong Sun Reviewed-by: Muchun Song --- arch/arm64/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 7b071a00425d..43e3d5576fb2 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -103,6 +103,7 @@ config ARM64 select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT select ARCH_WANT_FRAME_POINTERS select ARCH_WANT_HUGE_PMD_SHARE if ARM64_4K_PAGES || (ARM64_16K_PAGES && = !ARM64_VA_BITS_36) + select ARCH_WANT_OPTIMIZE_HUGETLB_VMEMMAP select ARCH_WANT_LD_ORPHAN_WARN select ARCH_WANTS_NO_INSTR select ARCH_WANTS_THP_SWAP if ARM64_4K_PAGES --=20 2.25.1