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 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 21FF4C47DA2 for ; Sat, 13 Jan 2024 08:49:08 +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=TGgJzc2eXs2emmvFEsgDFGNfhAc/CoKgVHiA3ml84x8=; b=G1spZOH7n4Kztp POv+T5Pd76lUsFf9xBZ4NYgp2Ha6PEOw5o9+IGX8I2loss1SAEQvpQwtsU7SuwpdUOTAdJIYKITsa uaTHtsxOeJhD1T+3pQbtS8D6twAjegZPBSistw1DpSqaSUuKLdR5Hf7kjvFbfD3FB/szQktT7tsTF OR3GG5IWJCgJ466VWWD1g02J3d2OIKeLQ+Vkh6EFuJFdRJgCrOkZHkExHV5D5rR7izPLQMQZSmRMP 8yVScYUmTl3+efnRTdG9+gBOCg+wKdBU6EUqQcH/8dzs+JIMRnB65W7/MmDOGQWFAtSyW06E5NFJo A4plTH4QaQPaUjapZnzw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1rOZgs-004nDm-2d; Sat, 13 Jan 2024 08:48:30 +0000 Received: from szxga04-in.huawei.com ([45.249.212.190]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1rOZgq-004nAx-0q for linux-arm-kernel@lists.infradead.org; Sat, 13 Jan 2024 08:48:29 +0000 Received: from mail.maildlp.com (unknown [172.19.163.44]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4TBsTG0PbQz29jqm; Sat, 13 Jan 2024 16:46:42 +0800 (CST) Received: from kwepemm600003.china.huawei.com (unknown [7.193.23.202]) by mail.maildlp.com (Postfix) with ESMTPS id 8FEF214011A; Sat, 13 Jan 2024 16:48:16 +0800 (CST) Received: from huawei.com (10.175.113.32) by kwepemm600003.china.huawei.com (7.193.23.202) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.35; Sat, 13 Jan 2024 16:48:15 +0800 From: Nanyong Sun To: , , , , , CC: , , , , , Subject: [PATCH v3 3/3] arm64: mm: Re-enable OPTIMIZE_HUGETLB_VMEMMAP Date: Sat, 13 Jan 2024 17:44:36 +0800 Message-ID: <20240113094436.2506396-4-sunnanyong@huawei.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240113094436.2506396-1-sunnanyong@huawei.com> References: <20240113094436.2506396-1-sunnanyong@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.113.32] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To kwepemm600003.china.huawei.com (7.193.23.202) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240113_004828_482409_D5F27917 X-CRM114-Status: UNSURE ( 6.07 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 8f6cf1221b6a..bd37a7ed32f2 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -104,6 +104,7 @@ 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 -- 2.25.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel