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=-5.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED,USER_AGENT_MUTT 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 CDC0BC43441 for ; Fri, 23 Nov 2018 14:42:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 86E5920685 for ; Fri, 23 Nov 2018 14:42:48 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 86E5920685 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 S2440102AbeKXB1N (ORCPT ); Fri, 23 Nov 2018 20:27:13 -0500 Received: from foss.arm.com ([217.140.101.70]:46720 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388198AbeKXB1M (ORCPT ); Fri, 23 Nov 2018 20:27:12 -0500 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 D06FE36BA; Fri, 23 Nov 2018 06:42:46 -0800 (PST) Received: from arrakis.emea.arm.com (arrakis.cambridge.arm.com [10.1.196.113]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 9A5643F575; Fri, 23 Nov 2018 06:42:44 -0800 (PST) Date: Fri, 23 Nov 2018 14:42:42 +0000 From: Catalin Marinas To: Anshuman Khandual Cc: linux-mm@kvack.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, steve.capper@arm.com, punit.agrawal@arm.com, will.deacon@arm.com, Steven.Price@arm.com, akpm@linux-foundation.org, mhocko@kernel.org, n-horiguchi@ah.jp.nec.com, suzuki.poulose@arm.com, mike.kravetz@oracle.com Subject: Re: [PATCH V3 5/5] arm64/mm: Enable HugeTLB migration for contiguous bit HugeTLB pages Message-ID: <20181123144241.GE3360@arrakis.emea.arm.com> References: <1540299721-26484-1-git-send-email-anshuman.khandual@arm.com> <1540299721-26484-6-git-send-email-anshuman.khandual@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1540299721-26484-6-git-send-email-anshuman.khandual@arm.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Oct 23, 2018 at 06:32:01PM +0530, Anshuman Khandual wrote: > Let arm64 subscribe to the previously added framework in which architecture > can inform whether a given huge page size is supported for migration. This > just overrides the default function arch_hugetlb_migration_supported() and > enables migration for all possible HugeTLB page sizes on arm64. With this, > HugeTLB migration support on arm64 now covers all possible HugeTLB options. > > CONT PTE PMD CONT PMD PUD > -------- --- -------- --- > 4K: 64K 2M 32M 1G > 16K: 2M 32M 1G > 64K: 2M 512M 16G > > Reviewed-by: Naoya Horiguchi > Signed-off-by: Anshuman Khandual Acked-by: Catalin Marinas