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bh=PmUVbG1MiN0eKwMMKY46OwxYpCX02NRiZvVDnTiF0qc=; b=RhJ9kog2NCTYp0pFet1RvNlfrAKrhv1O9JBUoyQ0uQNywzznuEYNsPRC z2NzUqzyG40ek/6QFDyM3qgLwhsGtXgtVl30jcyYDkbbN7ML35GOT7fAR T0z8hHCZkPkLs2wuRQ33rmYZ+dXFCvgV8jWj56zZ5r9/2WVHUJSHectea o=; Received: from unknown (HELO ironmsg01-sd.qualcomm.com) ([10.53.140.141]) by alexa-out-sd-02.qualcomm.com with ESMTP; 27 Sep 2021 16:01:57 -0700 X-QCInternal: smtphost Received: from unknown (HELO nasanex01a.na.qualcomm.com) ([10.52.223.231]) by ironmsg01-sd.qualcomm.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Sep 2021 16:01:57 -0700 Received: from [10.251.44.228] (10.80.80.8) by nasanex01a.na.qualcomm.com (10.52.223.231) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.922.7; Mon, 27 Sep 2021 16:01:54 -0700 Message-ID: <5f8b7faf-5ea5-2d7a-4486-3515d295a49e@quicinc.com> Date: Tue, 28 Sep 2021 02:01:45 +0300 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.1.1 Subject: Re: [RFC] arm64: mm: update max_pfn after memory hotplug Content-Language: en-US To: David Hildenbrand , Chris Goldsworthy , Catalin Marinas , "Will Deacon" , Andrew Morton CC: , , , Sudarshan Rajagopalan References: <595d09279824faf1f54961cef52b745609b05d97.1632437225.git.quic_cgoldswo@quicinc.com> <4f4f6e93-ddc2-c9bb-ef47-4a40f2c3d0d7@quicinc.com> <1b9c4377-0a6b-b7d4-7a6b-a69f9469bb70@redhat.com> From: Georgi Djakov In-Reply-To: X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nasanex01a.na.qualcomm.com (10.52.223.231) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210927_160157_997924_BFD02E3C X-CRM114-Status: GOOD ( 16.00 ) 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-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org T24gOS8yNy8yMDIxIDExOjE0IFBNLCBEYXZpZCBIaWxkZW5icmFuZCB3cm90ZToKPiBPbiAyNy4w OS4yMSAyMjowMCwgR2VvcmdpIERqYWtvdiB3cm90ZToKPj4gT24gOS8yNy8yMDIxIDg6MzQgUE0s IERhdmlkIEhpbGRlbmJyYW5kIHdyb3RlOgo+Pj4gT24gMjcuMDkuMjEgMTk6MjIsIEdlb3JnaSBE amFrb3Ygd3JvdGU6Cj4+Pj4gT24gOS8yNC8yMDIxIDE6NTQgQU0sIENocmlzIEdvbGRzd29ydGh5 IHdyb3RlOgo+Pj4+PiBGcm9tOiBTdWRhcnNoYW4gUmFqYWdvcGFsYW4gPHF1aWNfc3VkYXJhamFA cXVpY2luYy5jb20+Cj4+Pj4+Cj4+Pj4+IEFmdGVyIG5ldyBtZW1vcnkgYmxvY2tzIGhhdmUgYmVl biBob3RwbHVnZ2VkLCBtYXhfcGZuIGFuZCBtYXhfbG93X3Bmbgo+Pj4+PiBuZWVkcyB1cGRhdGlu ZyB0byByZWZsZWN0IG9uIG5ldyBQRk5zIGJlaW5nIGhvdCBhZGRlZCB0byBzeXN0ZW0uCj4+Pj4+ Cj4+Pj4+IFNpZ25lZC1vZmYtYnk6IFN1ZGFyc2hhbiBSYWphZ29wYWxhbiA8cXVpY19zdWRhcmFq YUBxdWljaW5jLmNvbT4KPj4+Pj4gU2lnbmVkLW9mZi1ieTogQ2hyaXMgR29sZHN3b3J0aHkgPHF1 aWNfY2dvbGRzd29AcXVpY2luYy5jb20+Cj4+Pj4KPj4+PiBUaGFua3MgZm9yIHRoZSBwYXRjaCwg Q2hyaXMhCj4+Pj4KPj4+PiBXaXRoIHRoaXMgcGF0Y2gsIHRoZSBkYXRhIGluIC9wcm9jL2twYWdl ZmxhZ3MgYXBwZWFycyB0byBiZSBjb3JyZWN0IGFuZAo+Pj4+IG1lbW9yeSB0b29scyBsaWtlIHBy b2NyYW5rIHdvcmsgYWdhaW4gb24gYXJtNjQgcGxhdGZvcm1zLgo+Pj4+Cj4+Pj4gVGVzdGVkLWJ5 OiBHZW9yZ2kgRGpha292IDxxdWljX2NfZ2RqYWtvQHF1aWNpbmMuY29tPgo+Pj4+Cj4+Pj4gTWF5 YmUgd2Ugc2hvdWxkIGFkZCBmaXhlcyB0YWcsIGFzIGl0IGhhcyBiZWVuIGJyb2tlbiBzaW5jZSB0 aGUgCj4+Pj4gZm9sbG93aW5nCj4+Pj4gY29tbWl0Ogo+Pj4+IEZpeGVzOiBhYmVjNzQ5ZmFjZmYg KCJmcy9wcm9jL3BhZ2UuYzogYWxsb3cgaW5zcGVjdGlvbiBvZiBsYXN0IHNlY3Rpb24KPj4+PiBh bmQgZml4IGVuZCBkZXRlY3Rpb24iKQo+Pj4KPj4+IEFyZSB5b3Ugc3VyZSB0aGF0IHRoYXQgY29t bWl0IGJyb2tlIGl0Pwo+Pgo+PiBSZXZlcnRpbmcgdGhlIGFib3ZlIGNvbW1pdCBhbHNvICJmaXhl cyIga3BhZ2VmbGFncywgb3RoZXJ3aXNlCj4+IGtwYWdlZmxhZ3NfcmVhZCgpIHJldHVybnMgMCBp biB0aGUgZm9sbG93aW5nIGNoZWNrOgo+PiDCoMKgwqDCoGlmIChzcmMgPj0gbWF4X2R1bXBfcGZu ICogS1BNU0laRSkKPj4gwqDCoMKgwqDCoMKgwqAgcmV0dXJuIDA7Cj4+Cj4+PiBJIHJlY2FsbCB0 aGF0IHdlIHdvdWxkIG5hdHVyYWxseSBydW4gaW50byB0aGUgbGltaXQsIGJlY2F1c2UKPj4+Cj4+ PiBjb3VudCA9IG1pbl90KHNpemVfdCwgY291bnQsIChtYXhfcGZuICogS1BNU0laRSkgLSBzcmMp Owo+Pgo+PiBUaGUgZnVuY3Rpb24gcmV0dXJucyBiZWZvcmUgd2UgcmVhY2ggdGhpcyBsaW5lLgo+ IAo+IFRoYXQgaXMgdGhlIG9sZCBjb2RlLiBJIGRvbid0IHNlZSBob3cgdGhlIGJlaGF2aW9yIG9m IHRoZSBvbGQgY29kZSB3aXRoIAo+IHdyb25nIG1heF9wZm4gd2FzIGRvaW5nIHdoYXQgaXQncyBz dXBwb3NlZCB0byBkby4KPiAKPiBwYWdlX2lkbGUgYW5kIHBhZ2Vfb3duZXIgYWxzbyByZWx5IG9u IG1heF9wZm4uIFRoZSByb290IGlzc3VlIGlzIHRoYXQgCj4gbWF4X3BmbiB3YXNuJ3QgdXBkYXRl ZCBwcm9wZXJseS4KCk9rLCBpIGFncmVlIHRoYXQgdGhpcyBpcyBub3QgcmVhbGx5IGZpeGluZyBh YmVjNzQ5ZmFjZmYsIGFzIGl0IG9ubHkgCnJldmVhbHMgdGhlIHJlYWwgaXNzdWUsIHNvIHRoZW4g dGhlIGZpeGVzIHRhZyBzaG91bGQgYmUgZXZlbiBmdXJ0aGVyCmJhY2sgdG86CkZpeGVzOiA0YWIy MTUwNjE1NTQgKCJhcm02NDogQWRkIG1lbW9yeSBob3RwbHVnIHN1cHBvcnQiKQoKVGhhbmtzLApH ZW9yZ2kKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmxp bnV4LWFybS1rZXJuZWwgbWFpbGluZyBsaXN0CmxpbnV4LWFybS1rZXJuZWxAbGlzdHMuaW5mcmFk ZWFkLm9yZwpodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4 LWFybS1rZXJuZWwK