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Violators will be prosecuted; Tue, 30 Jan 2018 05:16:35 -0000 Received: from d06av26.portsmouth.uk.ibm.com (d06av26.portsmouth.uk.ibm.com [9.149.105.62]) by b06cxnps4075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id w0U5GZdv48562264; Tue, 30 Jan 2018 05:16:35 GMT Received: from d06av26.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id E85A2AE04D; Tue, 30 Jan 2018 05:08:01 +0000 (GMT) Received: from d06av26.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 9EEB6AE045; Tue, 30 Jan 2018 05:08:00 +0000 (GMT) Received: from [9.109.220.56] (unknown [9.109.220.56]) by d06av26.portsmouth.uk.ibm.com (Postfix) with ESMTP; Tue, 30 Jan 2018 05:08:00 +0000 (GMT) Subject: Re: [RFC] mm/migrate: Add new migration reason MR_HUGETLB To: Anshuman Khandual , linux-mm@kvack.org, linux-kernel@vger.kernel.org References: <20180130030714.6790-1-khandual@linux.vnet.ibm.com> Cc: akpm@linux-foundation.org, mhocko@suse.com From: Anshuman Khandual Date: Tue, 30 Jan 2018 10:46:32 +0530 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1 MIME-Version: 1.0 In-Reply-To: <20180130030714.6790-1-khandual@linux.vnet.ibm.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 x-cbid: 18013005-0040-0000-0000-0000042A4715 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 18013005-0041-0000-0000-000020CDDE0A Message-Id: <7c99fbcd-bb9f-38ed-fbf1-e5481c59968c@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2018-01-30_02:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 impostorscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1709140000 definitions=main-1801300067 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 01/30/2018 08:37 AM, Anshuman Khandual wrote: > @@ -7621,8 +7622,13 @@ static int __alloc_contig_migrate_range(struct compact_control *cc, > &cc->migratepages); > cc->nr_migratepages -= nr_reclaimed; > > + if (migratetype == MIGRATE_CMA) > + migrate_reason = MR_CMA; > + else > + migrate_reason = MR_HUGETLB; > + > ret = migrate_pages(&cc->migratepages, new_page_alloc_contig, Oops, this is on top of the changes from the other RFC regarding migration helper functions.