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Fri, 9 Sep 2022 14:26:05 GMT Received: from d06av24.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 317AA42041; Fri, 9 Sep 2022 14:26:05 +0000 (GMT) Received: from d06av24.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 222954203F; Fri, 9 Sep 2022 14:26:04 +0000 (GMT) Received: from [9.145.83.17] (unknown [9.145.83.17]) by d06av24.portsmouth.uk.ibm.com (Postfix) with ESMTP; Fri, 9 Sep 2022 14:26:04 +0000 (GMT) Message-ID: <3e9f22f9-c23b-777c-6c38-0d6f990ee409@linux.ibm.com> Date: Fri, 9 Sep 2022 16:26:03 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:102.0) Gecko/20100101 Thunderbird/102.2.1 Subject: Re: [RFC PATCH RESEND 18/28] mm: add FAULT_FLAG_VMA_LOCK flag Content-Language: fr To: Suren Baghdasaryan , akpm@linux-foundation.org Cc: michel@lespinasse.org, jglisse@google.com, mhocko@suse.com, vbabka@suse.cz, hannes@cmpxchg.org, mgorman@suse.de, dave@stgolabs.net, willy@infradead.org, liam.howlett@oracle.com, peterz@infradead.org, laurent.dufour@fr.ibm.com, paulmck@kernel.org, luto@kernel.org, songliubraving@fb.com, peterx@redhat.com, david@redhat.com, dhowells@redhat.com, hughd@google.com, bigeasy@linutronix.de, kent.overstreet@linux.dev, rientjes@google.com, axelrasmussen@google.com, joelaf@google.com, minchan@google.com, kernel-team@android.com, linux-mm@kvack.org, linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, x86@kernel.org, linux-kernel@vger.kernel.org References: <20220901173516.702122-1-surenb@google.com> <20220901173516.702122-19-surenb@google.com> From: Laurent Dufour In-Reply-To: <20220901173516.702122-19-surenb@google.com> X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: OzUS1M1bFkL8OXdxMOYgYHEuTx-2ypfC X-Proofpoint-GUID: ldwaHz9NQE4Aw6273ZmA2QjBw8t7HNkD X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.895,Hydra:6.0.528,FMLib:17.11.122.1 definitions=2022-09-09_08,2022-09-09_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=699 priorityscore=1501 bulkscore=0 spamscore=0 malwarescore=0 suspectscore=0 clxscore=1015 mlxscore=0 adultscore=0 impostorscore=0 phishscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2207270000 definitions=main-2209090049 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220909_072625_527273_DFB01C98 X-CRM114-Status: GOOD ( 20.39 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org TGUgMDEvMDkvMjAyMiDDoCAxOTozNSwgU3VyZW4gQmFnaGRhc2FyeWFuIGEgw6ljcml0wqA6Cj4g QWRkIGEgbmV3IGZsYWcgdG8gZGlzdGluZ3Vpc2ggcGFnZSBmYXVsdHMgaGFuZGxlZCB1bmRlciBw cm90ZWN0aW9uIG9mCj4gcGVyLXZtYSBsb2NrLgo+IAo+IFNpZ25lZC1vZmYtYnk6IFN1cmVuIEJh Z2hkYXNhcnlhbiA8c3VyZW5iQGdvb2dsZS5jb20+CgpGV0lXLAoKUmV2aWV3ZWQtYnk6IExhdXJl bnQgRHVmb3VyIDxsYXVyZW50LmR1Zm91ckBmci5pYm0uY29tPgoKPiAtLS0KPiAgaW5jbHVkZS9s aW51eC9tbS5oICAgICAgIHwgMyArKy0KPiAgaW5jbHVkZS9saW51eC9tbV90eXBlcy5oIHwgMSAr Cj4gIDIgZmlsZXMgY2hhbmdlZCwgMyBpbnNlcnRpb25zKCspLCAxIGRlbGV0aW9uKC0pCj4gCj4g ZGlmZiAtLWdpdCBhL2luY2x1ZGUvbGludXgvbW0uaCBiL2luY2x1ZGUvbGludXgvbW0uaAo+IGlu ZGV4IDBkOWMxNTYzYzM1NC4uN2MzMTkwZWFhYmQ3IDEwMDY0NAo+IC0tLSBhL2luY2x1ZGUvbGlu dXgvbW0uaAo+ICsrKyBiL2luY2x1ZGUvbGludXgvbW0uaAo+IEBAIC00NjYsNyArNDY2LDggQEAg c3RhdGljIGlubGluZSBib29sIGZhdWx0X2ZsYWdfYWxsb3dfcmV0cnlfZmlyc3QoZW51bSBmYXVs dF9mbGFnIGZsYWdzKQo+ICAJeyBGQVVMVF9GTEFHX1VTRVIsCQkiVVNFUiIgfSwgXAo+ICAJeyBG QVVMVF9GTEFHX1JFTU9URSwJCSJSRU1PVEUiIH0sIFwKPiAgCXsgRkFVTFRfRkxBR19JTlNUUlVD VElPTiwJIklOU1RSVUNUSU9OIiB9LCBcCj4gLQl7IEZBVUxUX0ZMQUdfSU5URVJSVVBUSUJMRSwJ IklOVEVSUlVQVElCTEUiIH0KPiArCXsgRkFVTFRfRkxBR19JTlRFUlJVUFRJQkxFLAkiSU5URVJS VVBUSUJMRSIgfSwgXAo+ICsJeyBGQVVMVF9GTEFHX1ZNQV9MT0NLLAkJIlZNQV9MT0NLIiB9Cj4g IAo+ICAvKgo+ICAgKiB2bV9mYXVsdCBpcyBmaWxsZWQgYnkgdGhlIHBhZ2VmYXVsdCBoYW5kbGVy IGFuZCBwYXNzZWQgdG8gdGhlIHZtYSdzCj4gZGlmZiAtLWdpdCBhL2luY2x1ZGUvbGludXgvbW1f dHlwZXMuaCBiL2luY2x1ZGUvbGludXgvbW1fdHlwZXMuaAo+IGluZGV4IDZhMDNmNTljMWU3OC4u MzY1NjJlNzAyYmFmIDEwMDY0NAo+IC0tLSBhL2luY2x1ZGUvbGludXgvbW1fdHlwZXMuaAo+ICsr KyBiL2luY2x1ZGUvbGludXgvbW1fdHlwZXMuaAo+IEBAIC04ODYsNiArODg2LDcgQEAgZW51bSBm YXVsdF9mbGFnIHsKPiAgCUZBVUxUX0ZMQUdfSU5URVJSVVBUSUJMRSA9CTEgPDwgOSwKPiAgCUZB VUxUX0ZMQUdfVU5TSEFSRSA9CQkxIDw8IDEwLAo+ICAJRkFVTFRfRkxBR19PUklHX1BURV9WQUxJ RCA9CTEgPDwgMTEsCj4gKwlGQVVMVF9GTEFHX1ZNQV9MT0NLID0JCTEgPDwgMTIsCj4gIH07Cj4g IAo+ICB0eXBlZGVmIHVuc2lnbmVkIGludCBfX2JpdHdpc2UgemFwX2ZsYWdzX3Q7CgoKX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KbGludXgtYXJtLWtlcm5l bCBtYWlsaW5nIGxpc3QKbGludXgtYXJtLWtlcm5lbEBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6 Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtYXJtLWtlcm5lbAo=