From nobody Fri Dec 19 14:15:39 2025 Received: from szxga04-in.huawei.com (szxga04-in.huawei.com [45.249.212.190]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 20483156F9 for ; Wed, 20 Dec 2023 04:21:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huawei.com Received: from mail.maildlp.com (unknown [172.19.88.234]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4Sw0jB30t1z29fmG; Wed, 20 Dec 2023 12:20:30 +0800 (CST) Received: from kwepemm000003.china.huawei.com (unknown [7.193.23.66]) by mail.maildlp.com (Postfix) with ESMTPS id C22CD140499; Wed, 20 Dec 2023 12:21:43 +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; Wed, 20 Dec 2023 12:21:42 +0800 From: Nanyong Sun To: , , , , , CC: , , , , , Subject: [PATCH v2 3/3] arm64: mm: Re-enable OPTIMIZE_HUGETLB_VMEMMAP Date: Wed, 20 Dec 2023 13:18:55 +0800 Message-ID: <20231220051855.47547-4-sunnanyong@huawei.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20231220051855.47547-1-sunnanyong@huawei.com> References: <20231220051855.47547-1-sunnanyong@huawei.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) To kwepemm000003.china.huawei.com (7.193.23.66) 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