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[134.134.136.65]) by mx.google.com with ESMTPS id x3si10778322plv.26.2019.07.23.16.59.58 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 23 Jul 2019 16:59:58 -0700 (PDT) Received-SPF: pass (google.com: domain of kai.huang@intel.com designates 134.134.136.65 as permitted sender) client-ip=134.134.136.65; Authentication-Results: mx.google.com; spf=pass (google.com: domain of kai.huang@intel.com designates 134.134.136.65 as permitted sender) smtp.mailfrom=kai.huang@intel.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 23 Jul 2019 16:59:58 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,300,1559545200"; d="scan'208";a="369081710" Received: from pgsmsx104.gar.corp.intel.com ([10.221.44.91]) by fmsmga006.fm.intel.com with ESMTP; 23 Jul 2019 16:59:55 -0700 Received: from pgsmsx112.gar.corp.intel.com ([169.254.3.46]) by PGSMSX104.gar.corp.intel.com ([169.254.3.64]) with mapi id 14.03.0439.000; Wed, 24 Jul 2019 07:59:54 +0800 From: "Huang, Kai" To: "linux-kernel@vger.kernel.org" , "linux-mm@kvack.org" , "songliubraving@fb.com" , "linux-fsdevel@vger.kernel.org" CC: "kirill.shutemov@linux.intel.com" , "matthew.wilcox@oracle.com" , "hdanton@sina.com" , "kernel-team@fb.com" , "akpm@linux-foundation.org" , "william.kucharski@oracle.com" Subject: Re: [PATCH v9 5/6] mm,thp: add read-only THP support for (non-shmem) FS Thread-Topic: [PATCH v9 5/6] mm,thp: add read-only THP support for (non-shmem) FS Thread-Index: AQHVKurXe0zlPpLJvUiiyeP9CKzbqKbYiXyA Date: Tue, 23 Jul 2019 23:59:54 +0000 Message-ID: <1563926391.8456.1.camel@intel.com> References: <20190625001246.685563-1-songliubraving@fb.com> <20190625001246.685563-6-songliubraving@fb.com> In-Reply-To: <20190625001246.685563-6-songliubraving@fb.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.254.182.119] Content-Type: text/plain; charset="utf-8" Content-ID: <90FB8C841C327D44B3083EA689DE73AE@intel.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 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: T24gTW9uLCAyMDE5LTA2LTI0IGF0IDE3OjEyIC0wNzAwLCBTb25nIExpdSB3cm90ZToNCj4gVGhp cyBwYXRjaCBpcyAoaG9wZWZ1bGx5KSB0aGUgZmlyc3Qgc3RlcCB0byBlbmFibGUgVEhQIGZvciBu b24tc2htZW0NCj4gZmlsZXN5c3RlbXMuDQo+IA0KPiBUaGlzIHBhdGNoIGVuYWJsZXMgYW4gYXBw bGljYXRpb24gdG8gcHV0IHBhcnQgb2YgaXRzIHRleHQgc2VjdGlvbnMgdG8gVEhQDQo+IHZpYSBt YWR2aXNlLCBmb3IgZXhhbXBsZToNCj4gDQo+ICAgICBtYWR2aXNlKCh2b2lkICopMHg2MDAwMDAs IDB4MjAwMDAwLCBNQURWX0hVR0VQQUdFKTsNCj4gDQo+IFdlIHRyaWVkIHRvIHJldXNlIHRoZSBs b2dpYyBmb3IgVEhQIG9uIHRtcGZzLg0KPiANCj4gQ3VycmVudGx5LCB3cml0ZSBpcyBub3Qgc3Vw cG9ydGVkIGZvciBub24tc2htZW0gVEhQLiBraHVnZXBhZ2VkIHdpbGwgb25seQ0KPiBwcm9jZXNz IHZtYSB3aXRoIFZNX0RFTllXUklURS4gc3lzX21tYXAoKSBpZ25vcmVzIFZNX0RFTllXUklURSBy ZXF1ZXN0cw0KPiAoc2VlIGtzeXNfbW1hcF9wZ29mZikuIFRoZSBvbmx5IHdheSB0byBjcmVhdGUg dm1hIHdpdGggVk1fREVOWVdSSVRFIGlzDQo+IGV4ZWN2ZSgpLiBUaGlzIHJlcXVpcmVtZW50IGxp bWl0cyBub24tc2htZW0gVEhQIHRvIHRleHQgc2VjdGlvbnMuDQo+IA0KPiBUaGUgbmV4dCBwYXRj aCB3aWxsIGhhbmRsZSB3cml0ZXMsIHdoaWNoIHdvdWxkIG9ubHkgaGFwcGVuIHdoZW4gdGhlIGFs bA0KPiB0aGUgdm1hcyB3aXRoIFZNX0RFTllXUklURSBhcmUgdW5tYXBwZWQuDQo+IA0KPiBBbiBF WFBFUklNRU5UQUwgY29uZmlnLCBSRUFEX09OTFlfVEhQX0ZPUl9GUywgaXMgYWRkZWQgdG8gZ2F0 ZSB0aGlzDQo+IGZlYXR1cmUuDQo+IA0KPiBBY2tlZC1ieTogUmlrIHZhbiBSaWVsIDxyaWVsQHN1 cnJpZWwuY29tPg0KPiBTaWduZWQtb2ZmLWJ5OiBTb25nIExpdSA8c29uZ2xpdWJyYXZpbmdAZmIu Y29tPg0KPiAtLS0NCj4gIG1tL0tjb25maWcgICAgICB8IDExICsrKysrKw0KPiAgbW0vZmlsZW1h cC5jICAgIHwgIDQgKy0tDQo+ICBtbS9raHVnZXBhZ2VkLmMgfCA5NCArKysrKysrKysrKysrKysr KysrKysrKysrKysrKysrKysrKysrKysrKy0tLS0tLS0tDQo+ICBtbS9ybWFwLmMgICAgICAgfCAx MiArKysrLS0tDQo+ICA0IGZpbGVzIGNoYW5nZWQsIDEwMCBpbnNlcnRpb25zKCspLCAyMSBkZWxl dGlvbnMoLSkNCj4gDQo+IGRpZmYgLS1naXQgYS9tbS9LY29uZmlnIGIvbW0vS2NvbmZpZw0KPiBp bmRleCBmMGM3NmJhNDc2OTUuLjBhOGZkNTg5NDA2ZCAxMDA2NDQNCj4gLS0tIGEvbW0vS2NvbmZp Zw0KPiArKysgYi9tbS9LY29uZmlnDQo+IEBAIC03NjIsNiArNzYyLDE3IEBAIGNvbmZpZyBHVVBf QkVOQ0hNQVJLDQo+ICANCj4gIAkgIFNlZSB0b29scy90ZXN0aW5nL3NlbGZ0ZXN0cy92bS9ndXBf YmVuY2htYXJrLmMNCj4gIA0KPiArY29uZmlnIFJFQURfT05MWV9USFBfRk9SX0ZTDQo+ICsJYm9v bCAiUmVhZC1vbmx5IFRIUCBmb3IgZmlsZXN5c3RlbXMgKEVYUEVSSU1FTlRBTCkiDQo+ICsJZGVw ZW5kcyBvbiBUUkFOU1BBUkVOVF9IVUdFX1BBR0VDQUNIRSAmJiBTSE1FTQ0KDQpIaSwNCg0KTWF5 YmUgYSBzdHVwaWQgcXVlc3Rpb24gc2luY2UgSSBhbSBuZXcsIGJ1dCB3aHkgZG9lcyBpdCBkZXBl bmQgb24gU0hNRU0/DQoNClRoYW5rcywNCi1LYWk=