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=-4.4 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED 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 05902ECE560 for ; Mon, 24 Sep 2018 16:48:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A747C2098A for ; Mon, 24 Sep 2018 16:48:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="5jEU7fEk" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A747C2098A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=oracle.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 S1732650AbeIXWvU (ORCPT ); Mon, 24 Sep 2018 18:51:20 -0400 Received: from aserp2120.oracle.com ([141.146.126.78]:40738 "EHLO aserp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731106AbeIXWvU (ORCPT ); Mon, 24 Sep 2018 18:51:20 -0400 Received: from pps.filterd (aserp2120.oracle.com [127.0.0.1]) by aserp2120.oracle.com (8.16.0.22/8.16.0.22) with SMTP id w8OGcslh062127; Mon, 24 Sep 2018 16:48:13 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=subject : to : cc : references : from : message-id : date : mime-version : in-reply-to : content-type : content-transfer-encoding; s=corp-2018-07-02; bh=OHGbEi8kZqVQTXbqOzSysyXY24xP8wbm1EOUpLIv3po=; b=5jEU7fEk3VTay9zbnAUIDvRLbgeK8LRwHrwcj5T/d97nPi3WeKbV4PU82R26ENkksRKC iVCfIW99EeDrkYR2cjdTLi0aVQmZs4FkDtPBwd1PNVQNjK61mLBr43DH3cOYYuHLeBax MpIxyYgIdc81d/0VnBeHTEZG93S7GK3LhiJgS7wdUQAa0kd0t/9gVfIILwFEPBtlitNM uUal7xYInQ7YGcm1rRFOerxvXYFWuxt4zck0cMCnH+kmiEHtUh+pQ5d4GC7qywNBhyHv 8fr4tDfseHSVRIeYzgOyO0FQggt+LKglNqumL3sWEWLA4LfldYJHlsOSM17N74CTMmon jA== Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp2120.oracle.com with ESMTP id 2mndpp716h-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 24 Sep 2018 16:48:12 +0000 Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserv0022.oracle.com (8.14.4/8.14.4) with ESMTP id w8OGm7tV013778 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 24 Sep 2018 16:48:07 GMT Received: from abhmp0005.oracle.com (abhmp0005.oracle.com [141.146.116.11]) by aserv0122.oracle.com (8.14.4/8.14.4) with ESMTP id w8OGm7RX002736; Mon, 24 Sep 2018 16:48:07 GMT Received: from [192.168.1.164] (/50.38.38.67) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Mon, 24 Sep 2018 09:48:06 -0700 Subject: Re: [PATCH] mm/hugetlb: Add mmap() encodings for 32MB and 512MB page sizes To: Anshuman Khandual , linux-kernel@vger.kernel.org, linux-mm@kvack.org Cc: mhocko@kernel.org, punit.agrawal@arm.com, will.deacon@arm.com, akpm@linux-foundation.org References: <1537797985-2406-1-git-send-email-anshuman.khandual@arm.com> From: Mike Kravetz Message-ID: <541d31f2-b4b7-e401-2fe9-7965d81b2f0a@oracle.com> Date: Mon, 24 Sep 2018 09:48:05 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.0 MIME-Version: 1.0 In-Reply-To: <1537797985-2406-1-git-send-email-anshuman.khandual@arm.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Proofpoint-Virus-Version: vendor=nai engine=5900 definitions=9026 signatures=668707 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=929 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1807170000 definitions=main-1809240163 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 9/24/18 7:06 AM, Anshuman Khandual wrote: > ARM64 architecture also supports 32MB and 512MB HugeTLB page sizes. > This just adds mmap() system call argument encoding for them. > > Signed-off-by: Anshuman Khandual > --- > include/uapi/asm-generic/hugetlb_encode.h | 2 ++ > include/uapi/linux/mman.h | 2 ++ > 2 files changed, 4 insertions(+) Thanks Anshuman, However, I think we should also add similar definitions in: uapi/linux/memfd.h uapi/linux/shm.h -- Mike Kravetz