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 X-Spam-Level: X-Spam-Status: No, score=-9.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 53924C43387 for ; Tue, 18 Dec 2018 08:25:20 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 1B14F214C6 for ; Tue, 18 Dec 2018 08:25:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="G+u0Tnyk" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1B14F214C6 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=CM4NIAecKdGJBlAByNZvaFr5omDKQ6xcl3Yb9AOvubo=; b=G+u0TnykURVKO4Vg2/8fiZ2oHL wbswwLw1p4K6oKMsMbTu7EthWHY8C2J+okJLFVIBfk0AlTHHSB3jkY28e01MUqeMeBM12JolWq68J EanqW+eqROtrEqcoyjxjO5KB+OYFfzLrv1C6xBGwxn5NMeKXOpCCFfTttGHj/Tag4jyt5tDCe3BbF fUNGxKDAI9QoOVqvzP2SE3rwvBc02kEC+ZRQ4QRWLZwuSfM/oudPiOOQqmctUfs5dIaMTAnNZxFlB zEjvYe2j4Ky/xRV4zvN4umdMM/Feac/fAvgAhgqmoS3wPUe8+bj+9/6Q06eJO9tqdbukEpCpkMFOO 6wkPTGXA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gZAgk-0002QD-TM; Tue, 18 Dec 2018 08:25:14 +0000 Received: from foss.arm.com ([217.140.101.70]) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gZAfz-00016w-7E for linux-arm-kernel@lists.infradead.org; Tue, 18 Dec 2018 08:24:46 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id F10D715AB; Tue, 18 Dec 2018 00:24:20 -0800 (PST) Received: from p8cg001049571a15.blr.arm.com (p8cg001049571a15.blr.arm.com [10.162.41.146]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 6828E3F575; Tue, 18 Dec 2018 00:24:17 -0800 (PST) From: Anshuman Khandual To: linux-mm@kvack.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [RESEND PATCH V3 4/5] arm64/mm: Enable HugeTLB migration Date: Tue, 18 Dec 2018 13:54:09 +0530 Message-Id: <1545121450-1663-5-git-send-email-anshuman.khandual@arm.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1545121450-1663-1-git-send-email-anshuman.khandual@arm.com> References: <1545121450-1663-1-git-send-email-anshuman.khandual@arm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20181218_002428_007937_1DCDFE76 X-CRM114-Status: UNSURE ( 8.50 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: steve.capper@arm.com, catalin.marinas@arm.com, suzuki.poulose@arm.com, will.deacon@arm.com, mhocko@kernel.org, akpm@linux-foundation.org, Steven.Price@arm.com, n-horiguchi@ah.jp.nec.com, mike.kravetz@oracle.com MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Let arm64 subscribe to generic HugeTLB page migration framework. Right now this only works on the following PMD and PUD level HugeTLB page sizes with various kernel base page size combinations. CONT PTE PMD CONT PMD PUD -------- --- -------- --- 4K: NA 2M NA 1G 16K: NA 32M NA 64K: NA 512M NA Reviewed-by: Naoya Horiguchi Reviewed-by: Steve Capper Acked-by: Catalin Marinas Signed-off-by: Anshuman Khandual --- arch/arm64/Kconfig | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index ea2ab03..57d0c4bf 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -1359,6 +1359,10 @@ config SYSVIPC_COMPAT def_bool y depends on COMPAT && SYSVIPC +config ARCH_ENABLE_HUGEPAGE_MIGRATION + def_bool y + depends on HUGETLB_PAGE && MIGRATION + menu "Power management options" source "kernel/power/Kconfig" -- 2.7.4 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel