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Wed, 7 Aug 2019 22:13:34 +0000 From: Song Liu To: Andrew Morton CC: Randy Dunlap , Stephen Rothwell , Linux Next Mailing List , Linux Kernel Mailing List , Linux MM Subject: Re: linux-next: Tree for Aug 7 (mm/khugepaged.c) Thread-Topic: linux-next: Tree for Aug 7 (mm/khugepaged.c) Thread-Index: AQHVTTJXJMBKk+9UcEyVbeuM3CTH0abv6HuAgAA1cYCAAA3aAIAAB8iAgAAMwIA= Date: Wed, 7 Aug 2019 22:13:33 +0000 Message-ID: <4CB11692-DD66-4381-91DC-709C9B812B33@fb.com> References: <20190807183606.372ca1a4@canb.auug.org.au> <20190807131029.f7f191aaeeb88cc435c6306f@linux-foundation.org> <20190807142755.8211d58d5ecec8082587b073@linux-foundation.org> In-Reply-To: <20190807142755.8211d58d5ecec8082587b073@linux-foundation.org> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: Apple Mail (2.3445.104.11) x-originating-ip: [2620:10d:c090:200::3:1a00] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 0da180da-3d9c-40b5-f43f-08d71b847ce8 x-microsoft-antispam: BCL:0;PCL:0;RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600148)(711020)(4605104)(1401327)(2017052603328)(7193020);SRVR:MWHPR15MB1821; 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charset="us-ascii" Content-ID: <93A892A987FE3F4DB8947CC1D84E81EE@namprd15.prod.outlook.com> Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: 0da180da-3d9c-40b5-f43f-08d71b847ce8 X-MS-Exchange-CrossTenant-originalarrivaltime: 07 Aug 2019 22:13:34.0039 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 8ae927fe-1255-47a7-a2af-5f3a069daaa2 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: songliubraving@fb.com X-MS-Exchange-Transport-CrossTenantHeadersStamped: MWHPR15MB1821 X-OriginatorOrg: fb.com X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-08-07_07:,, signatures=0 X-Proofpoint-Spam-Details: rule=fb_default_notspam policy=fb_default score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=626 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1906280000 definitions=main-1908070192 X-FB-Internal: deliver X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: > On Aug 7, 2019, at 2:27 PM, Andrew Morton wro= te: >=20 > On Wed, 7 Aug 2019 21:00:04 +0000 Song Liu wrote: >=20 >>>>=20 >>>> Shall I resend the patch, or shall I send fix on top of current patch? >>>=20 >>> Either is OK. If the difference is small I will turn it into an >>> incremental patch so that I (and others) can see what changed. >>=20 >> Please find the patch to fix this at the end of this email. It applies=20 >> right on top of "khugepaged: enable collapse pmd for pte-mapped THP".=20 >> It may conflict a little with the "Enable THP for text section of=20 >> non-shmem files" set, which renames function khugepaged_scan_shmem().=20 >>=20 >> Also, I found v3 of the set in linux-next. The latest is v4: >>=20 >> https://lkml.org/lkml/2019/8/2/1587 >> https://lkml.org/lkml/2019/8/2/1588 >> https://lkml.org/lkml/2019/8/2/1589 >=20 > It's all a bit confusing. I'll drop=20 Agreed this is confusing.=20 >=20 > mm-move-memcmp_pages-and-pages_identical.patch > uprobe-use-original-page-when-all-uprobes-are-removed.patch > uprobe-use-original-page-when-all-uprobes-are-removed-v2.patch > mm-thp-introduce-foll_split_pmd.patch > mm-thp-introduce-foll_split_pmd-v11.patch > uprobe-use-foll_split_pmd-instead-of-foll_split.patch > khugepaged-enable-collapse-pmd-for-pte-mapped-thp.patch > uprobe-collapse-thp-pmd-after-removing-all-uprobes.patch >=20 > Please resolve Oleg's review comments and resend everything. Will do.=20 Thanks, Song=