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=-8.8 required=3.0 tests=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 1A569C67870 for ; Fri, 12 Oct 2018 04:00:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D5A952087D for ; Fri, 12 Oct 2018 04:00:44 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D5A952087D 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-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727353AbeJLLbG (ORCPT ); Fri, 12 Oct 2018 07:31:06 -0400 Received: from foss.arm.com ([217.140.101.70]:46034 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726336AbeJLLbG (ORCPT ); Fri, 12 Oct 2018 07:31:06 -0400 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 6B9331684; Thu, 11 Oct 2018 21:00:42 -0700 (PDT) Received: from p8cg001049571a15.blr.arm.com (p8cg001049571a15.blr.arm.com [10.162.0.72]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id A3B183F5B7; Thu, 11 Oct 2018 21:00:38 -0700 (PDT) From: Anshuman Khandual To: linux-mm@kvack.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: suzuki.poulose@arm.com, punit.agrawal@arm.com, will.deacon@arm.com, Steven.Price@arm.com, steve.capper@arm.com, catalin.marinas@arm.com, mhocko@kernel.org, akpm@linux-foundation.org, mike.kravetz@oracle.com, n-horiguchi@ah.jp.nec.com Subject: [PATCH V2 4/5] arm64/mm: Enable HugeTLB migration Date: Fri, 12 Oct 2018 09:29:58 +0530 Message-Id: <1539316799-6064-5-git-send-email-anshuman.khandual@arm.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1539316799-6064-1-git-send-email-anshuman.khandual@arm.com> References: <1539316799-6064-1-git-send-email-anshuman.khandual@arm.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.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 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 1b1a0e9..e54350f 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -1305,6 +1305,10 @@ 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