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Tue, 6 Sep 2022 14:43:33 GMT Received: from b06wcsmtp001.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id C67E4A4060; Tue, 6 Sep 2022 14:43:33 +0000 (GMT) Received: from b06wcsmtp001.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id A0FCDA4054; Tue, 6 Sep 2022 14:43:32 +0000 (GMT) Received: from [9.101.4.33] (unknown [9.101.4.33]) by b06wcsmtp001.portsmouth.uk.ibm.com (Postfix) with ESMTP; Tue, 6 Sep 2022 14:43:32 +0000 (GMT) Message-ID: Date: Tue, 6 Sep 2022 16:43:32 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:102.0) Gecko/20100101 Thunderbird/102.2.0 Subject: Re: [RFC PATCH RESEND 08/28] mm/khugepaged: mark VMA as locked while collapsing a hugepage 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> <20220901173516.702122-9-surenb@google.com> From: Laurent Dufour In-Reply-To: <20220901173516.702122-9-surenb@google.com> X-TM-AS-GCONF: 00 X-Proofpoint-GUID: HAsvOrmXhzmMe1mizRzjteVCQHSodYnt X-Proofpoint-ORIG-GUID: X4lgGR3UYbHPHIYuWj46oO-L8lLKddx- 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=2022-09-06_07,2022-09-06_02,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 spamscore=0 mlxlogscore=878 suspectscore=0 mlxscore=0 phishscore=0 adultscore=0 clxscore=1015 impostorscore=0 malwarescore=0 priorityscore=1501 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2207270000 definitions=main-2209060070 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220906_074404_468776_22257EF8 X-CRM114-Status: GOOD ( 19.17 ) 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 TGUgMDEvMDkvMjAyMiDDoCAxOTozNCwgU3VyZW4gQmFnaGRhc2FyeWFuIGEgw6ljcml0wqA6Cj4g UHJvdGVjdCBWTUEgZnJvbSBjb25jdXJyZW50IHBhZ2UgZmF1bHQgaGFuZGxlciB3aGlsZSBtb2Rp ZnlpbmcgaXQgaW4KPiBjb2xsYXBzZV9odWdlX3BhZ2UuCgpJcyB0aGUgZ29hbCB0byBwcm90ZWN0 IGNoYW5nZXMgaW4gdGhlIGFub25fdm1hIHN0cnVjdHVyZT8KCkFGQUlDUywgdGhlIHZtYSBpdCBz ZWxmIGlzIG5vdCBpbXBhY3RlZCBoZXJlLCBvbmx5IHRoZSBhbm9uX3ZtYSBhbmQgdGhlClBNRC9Q VEUgYXJlIHRvdWNoZWQsIGFuZCB0aGV5IGhhdmUgdGhlaXIgb3duIHByb3RlY3Rpb24gbWVjaGFu aXNtLCBpc24ndCBpdD8KCj4gCj4gU2lnbmVkLW9mZi1ieTogU3VyZW4gQmFnaGRhc2FyeWFuIDxz dXJlbmJAZ29vZ2xlLmNvbT4KPiAtLS0KPiAgbW0va2h1Z2VwYWdlZC5jIHwgMSArCj4gIDEgZmls ZSBjaGFuZ2VkLCAxIGluc2VydGlvbigrKQo+IAo+IGRpZmYgLS1naXQgYS9tbS9raHVnZXBhZ2Vk LmMgYi9tbS9raHVnZXBhZ2VkLmMKPiBpbmRleCAwMWY3MTc4NmQ1MzAuLjAzMDY4MDYzMzk4OSAx MDA2NDQKPiAtLS0gYS9tbS9raHVnZXBhZ2VkLmMKPiArKysgYi9tbS9raHVnZXBhZ2VkLmMKPiBA QCAtMTA3Miw2ICsxMDcyLDcgQEAgc3RhdGljIHZvaWQgY29sbGFwc2VfaHVnZV9wYWdlKHN0cnVj dCBtbV9zdHJ1Y3QgKm1tLAo+ICAJaWYgKG1tX2ZpbmRfcG1kKG1tLCBhZGRyZXNzKSAhPSBwbWQp Cj4gIAkJZ290byBvdXRfdXBfd3JpdGU7Cj4gIAo+ICsJdm1hX21hcmtfbG9ja2VkKHZtYSk7Cj4g IAlhbm9uX3ZtYV9sb2NrX3dyaXRlKHZtYS0+YW5vbl92bWEpOwo+ICAKPiAgCW1tdV9ub3RpZmll cl9yYW5nZV9pbml0KCZyYW5nZSwgTU1VX05PVElGWV9DTEVBUiwgMCwgTlVMTCwgbW0sCgoKX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KbGludXgtYXJtLWtl cm5lbCBtYWlsaW5nIGxpc3QKbGludXgtYXJtLWtlcm5lbEBsaXN0cy5pbmZyYWRlYWQub3JnCmh0 dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtYXJtLWtlcm5l bAo=