From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pg0-f70.google.com (mail-pg0-f70.google.com [74.125.83.70]) by kanga.kvack.org (Postfix) with ESMTP id 317416B02EE for ; Tue, 16 May 2017 06:29:02 -0400 (EDT) Received: by mail-pg0-f70.google.com with SMTP id x64so132026883pgd.6 for ; Tue, 16 May 2017 03:29:02 -0700 (PDT) Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com. [148.163.156.1]) by mx.google.com with ESMTPS id t66si13192690pfj.352.2017.05.16.03.29.00 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 16 May 2017 03:29:00 -0700 (PDT) Received: from pps.filterd (m0098409.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.20/8.16.0.20) with SMTP id v4GASx83003337 for ; Tue, 16 May 2017 06:29:00 -0400 Received: from e23smtp01.au.ibm.com (e23smtp01.au.ibm.com [202.81.31.143]) by mx0a-001b2d01.pphosted.com with ESMTP id 2afv7bj7rc-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Tue, 16 May 2017 06:29:00 -0400 Received: from localhost by e23smtp01.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 16 May 2017 20:28:52 +1000 Received: from d23av06.au.ibm.com (d23av06.au.ibm.com [9.190.235.151]) by d23relay07.au.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id v4GASfHS63766756 for ; Tue, 16 May 2017 20:28:49 +1000 Received: from d23av06.au.ibm.com (localhost [127.0.0.1]) by d23av06.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id v4GASHRG004274 for ; Tue, 16 May 2017 20:28:17 +1000 Subject: Re: [PATCH v2 2/2] powerpc/mm/hugetlb: Add support for 1G huge pages References: <1494926264-22463-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com> <1494926264-22463-2-git-send-email-aneesh.kumar@linux.vnet.ibm.com> From: Anshuman Khandual Date: Tue, 16 May 2017 15:57:56 +0530 MIME-Version: 1.0 In-Reply-To: <1494926264-22463-2-git-send-email-aneesh.kumar@linux.vnet.ibm.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Message-Id: <04189f80-57fd-b921-20b9-565e1b307270@linux.vnet.ibm.com> Sender: owner-linux-mm@kvack.org List-ID: To: "Aneesh Kumar K.V" , akpm@linux-foundation.org, mpe@ellerman.id.au, Anshuman Khandual Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org On 05/16/2017 02:47 PM, Aneesh Kumar K.V wrote: > POWER9 supports hugepages of size 2M and 1G in radix MMU mode. This patch > enables the usage of 1G page size for hugetlbfs. This also update the helper > such we can do 1G page allocation at runtime. > > We still don't enable 1G page size on DD1 version. This is to avoid doing > workaround mentioned in commit: 6d3a0379ebdc8 (powerpc/mm: Add > radix__tlb_flush_pte_p9_dd1() > > Signed-off-by: Aneesh Kumar K.V Sounds good. Reviewed-by: Anshuman Khandual -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org