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[2003:cb:c707:3900:757e:83f8:a99d:41ae]) by smtp.gmail.com with ESMTPSA id g3-20020a5d6983000000b0030795b2be15sm1962333wru.103.2023.05.17.01.37.22 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 17 May 2023 01:37:23 -0700 (PDT) Message-ID: <12704c8f-6727-62ec-d48b-31246755dbdd@redhat.com> Date: Wed, 17 May 2023 10:37:22 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.11.0 Subject: Re: [PATCH v3 1/3] mm: Call arch_swap_restore() from do_swap_page() To: "Huang, Ying" , Peter Collingbourne Cc: Catalin Marinas , =?UTF-8?B?UXVuLXdlaSBMaW4gKOael+e+pOW0tCk=?= , linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, "surenb@google.com" , =?UTF-8?B?Q2hpbndlbiBDaGFuZyAo5by16Yym5paHKQ==?= , "kasan-dev@googlegroups.com" , =?UTF-8?B?S3Vhbi1ZaW5nIExlZSAo5p2O5Yag56mOKQ==?= , =?UTF-8?B?Q2FzcGVyIExpICjmnY7kuK3mpq4p?= , "gregkh@linuxfoundation.org" , vincenzo.frascino@arm.com, Alexandru Elisei , will@kernel.org, eugenis@google.com, Steven Price , stable@vger.kernel.org References: <20230517022115.3033604-1-pcc@google.com> <20230517022115.3033604-2-pcc@google.com> <87353v7hh1.fsf@yhuang6-desk2.ccr.corp.intel.com> From: David Hildenbrand Organization: Red Hat In-Reply-To: <87353v7hh1.fsf@yhuang6-desk2.ccr.corp.intel.com> X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230517_013728_391621_5F757621 X-CRM114-Status: GOOD ( 17.22 ) 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 T24gMTcuMDUuMjMgMDU6NDAsIEh1YW5nLCBZaW5nIHdyb3RlOgo+IFBldGVyIENvbGxpbmdib3Vy bmUgPHBjY0Bnb29nbGUuY29tPiB3cml0ZXM6Cj4gCj4+IENvbW1pdCBjMTQ1ZTBiNDdjNzcgKCJt bTogc3RyZWFtbGluZSBDT1cgbG9naWMgaW4gZG9fc3dhcF9wYWdlKCkiKSBtb3ZlZAo+PiB0aGUg Y2FsbCB0byBzd2FwX2ZyZWUoKSBiZWZvcmUgdGhlIGNhbGwgdG8gc2V0X3B0ZV9hdCgpLCB3aGlj aCBtZWFudCB0aGF0Cj4+IHRoZSBNVEUgdGFncyBjb3VsZCBlbmQgdXAgYmVpbmcgZnJlZWQgYmVm b3JlIHNldF9wdGVfYXQoKSBoYWQgYSBjaGFuY2UKPj4gdG8gcmVzdG9yZSB0aGVtLiBGaXggaXQg YnkgYWRkaW5nIGEgY2FsbCB0byB0aGUgYXJjaF9zd2FwX3Jlc3RvcmUoKSBob29rCj4+IGJlZm9y ZSB0aGUgY2FsbCB0byBzd2FwX2ZyZWUoKS4KPj4KPj4gU2lnbmVkLW9mZi1ieTogUGV0ZXIgQ29s bGluZ2JvdXJuZSA8cGNjQGdvb2dsZS5jb20+Cj4+IExpbms6IGh0dHBzOi8vbGludXgtcmV2aWV3 Lmdvb2dsZXNvdXJjZS5jb20vaWQvSTY0NzBlZmE2NjllOGJkMmY4NDEwNDliOGM2MTAyMGM1MTA2 Nzg5NjUKPj4gQ2M6IDxzdGFibGVAdmdlci5rZXJuZWwub3JnPiAjIDYuMQo+PiBGaXhlczogYzE0 NWUwYjQ3Yzc3ICgibW06IHN0cmVhbWxpbmUgQ09XIGxvZ2ljIGluIGRvX3N3YXBfcGFnZSgpIikK Pj4gUmVwb3J0ZWQtYnk6IFF1bi13ZWkgTGluICjmnpfnvqTltLQpIDxRdW4td2VpLkxpbkBtZWRp YXRlay5jb20+Cj4+IENsb3NlczogaHR0cHM6Ly9sb3JlLmtlcm5lbC5vcmcvYWxsLzUwNTA4MDU3 NTNhYzQ2OWU4ZDcyN2M3OTdjMjIxOGE5ZDc4MGQ0MzQuY2FtZWxAbWVkaWF0ZWsuY29tLwo+PiAt LS0KPj4gdjI6Cj4+IC0gQ2FsbCBhcmNoX3N3YXBfcmVzdG9yZSgpIGRpcmVjdGx5IGluc3RlYWQg b2YgdmlhIGFyY2hfZG9fc3dhcF9wYWdlKCkKPj4KPj4gICBtbS9tZW1vcnkuYyB8IDcgKysrKysr Kwo+PiAgIDEgZmlsZSBjaGFuZ2VkLCA3IGluc2VydGlvbnMoKykKPj4KPj4gZGlmZiAtLWdpdCBh L21tL21lbW9yeS5jIGIvbW0vbWVtb3J5LmMKPj4gaW5kZXggZjY5ZmJjMjUxMTk4Li5mYzI1NzY0 MDE2YjMgMTAwNjQ0Cj4+IC0tLSBhL21tL21lbW9yeS5jCj4+ICsrKyBiL21tL21lbW9yeS5jCj4+ IEBAIC0zOTMyLDYgKzM5MzIsMTMgQEAgdm1fZmF1bHRfdCBkb19zd2FwX3BhZ2Uoc3RydWN0IHZt X2ZhdWx0ICp2bWYpCj4+ICAgCQl9Cj4+ICAgCX0KPj4gICAKPj4gKwkvKgo+PiArCSAqIFNvbWUg YXJjaGl0ZWN0dXJlcyBtYXkgaGF2ZSB0byByZXN0b3JlIGV4dHJhIG1ldGFkYXRhIHRvIHRoZSBw YWdlCj4+ICsJICogd2hlbiByZWFkaW5nIGZyb20gc3dhcC4gVGhpcyBtZXRhZGF0YSBtYXkgYmUg aW5kZXhlZCBieSBzd2FwIGVudHJ5Cj4+ICsJICogc28gdGhpcyBtdXN0IGJlIGNhbGxlZCBiZWZv cmUgc3dhcF9mcmVlKCkuCj4+ICsJICovCj4+ICsJYXJjaF9zd2FwX3Jlc3RvcmUoZW50cnksIGZv bGlvKTsKPj4gKwo+PiAgIAkvKgo+PiAgIAkgKiBSZW1vdmUgdGhlIHN3YXAgZW50cnkgYW5kIGNv bmRpdGlvbmFsbHkgdHJ5IHRvIGZyZWUgdXAgdGhlIHN3YXBjYWNoZS4KPj4gICAJICogV2UncmUg YWxyZWFkeSBob2xkaW5nIGEgcmVmZXJlbmNlIG9uIHRoZSBwYWdlIGJ1dCBoYXZlbid0IG1hcHBl ZCBpdAo+IAo+IFNob3VsZCB5b3UgYWRkCj4gCj4gU3VnZ2VzdGVkLWJ5OiBEYXZpZCBIaWxkZW5i cmFuZCA8ZGF2aWRAcmVkaGF0LmNvbT4KPiAKPiBmb3IgMS8zIGFuZCAyLzMuCgpGb3IgMS8zLCBJ IHRoaW5rIEkgcmF0aGVyIG9ubHkgZXhwbGFpbmVkIHRoZSBwcm9ibGVtIGluIHRoZSBmaXJzdCBw YXRjaCAKYW5kIGRpZG4ndCByZWFsbHkgc3VnZ2VzdCB0aGlzLgoKQWNrZWQtYnk6IERhdmlkIEhp bGRlbmJyYW5kIDxkYXZpZEByZWRoYXQuY29tPgoKLS0gClRoYW5rcywKCkRhdmlkIC8gZGhpbGRl bmIKCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpsaW51 eC1hcm0ta2VybmVsIG1haWxpbmcgbGlzdApsaW51eC1hcm0ta2VybmVsQGxpc3RzLmluZnJhZGVh ZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1h cm0ta2VybmVsCg==