From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 24A0FC77B75 for ; Wed, 17 May 2023 14:58:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:From:References:Cc:To: Subject:MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=5AEiKNa5SZiQj9iejQfsM3/hbqPUwzJ7K5twIMkk/ac=; b=u6sABhiM/DyezV Fv7IKNF6YUvLJt8L5xi1/P/BlhXvgFjacButZld4n6fNG5F5lXhfNVL6020WYWpbp3FTS/OUAKM84 qpvFD9uNZ/vxQlFiBvLuDptGOzS67ldhdevsnmFn4H2kKIIdECd1wTKwepM3KsWiRaFpSAT7zf1qp bF9N4hB2FAKp1BEpF14mTU1/I8SfGdoGC7c6v/BrUXHV8ev5Z322xsjwa1ipg1tqtJiRfY92zma9X th/5vmM2SKUEVl9mA/vDmY7Ag0jJTFkNvkmQ3C2e37e/Pj7Sb8fX84imXggOhTejrDWwsbxz0oiRq wkvp9cJtCXOPTo3bv/bQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pzIbB-00ADAE-0n; Wed, 17 May 2023 14:57:53 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pzIb7-00AD9X-33 for linux-arm-kernel@lists.infradead.org; Wed, 17 May 2023 14:57:51 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 620641FB; Wed, 17 May 2023 07:58:32 -0700 (PDT) Received: from [10.57.58.217] (unknown [10.57.58.217]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 66E9D3F73F; Wed, 17 May 2023 07:57:44 -0700 (PDT) Message-ID: <9b9e7fbd-6166-09ce-9aeb-be28e51eaf10@arm.com> Date: Wed, 17 May 2023 15:57:42 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.10.0 Subject: Re: [PATCH v3 1/3] mm: Call arch_swap_restore() from do_swap_page() Content-Language: en-GB To: Peter Collingbourne , Catalin Marinas Cc: =?UTF-8?B?UXVuLXdlaSBMaW4gKOael+e+pOW0tCk=?= , linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, "surenb@google.com" , "david@redhat.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, stable@vger.kernel.org References: <20230517022115.3033604-1-pcc@google.com> <20230517022115.3033604-2-pcc@google.com> From: Steven Price In-Reply-To: <20230517022115.3033604-2-pcc@google.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230517_075750_030130_0C5AA0F2 X-CRM114-Status: GOOD ( 16.98 ) 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 T24gMTcvMDUvMjAyMyAwMzoyMSwgUGV0ZXIgQ29sbGluZ2JvdXJuZSB3cm90ZToKPiBDb21taXQg YzE0NWUwYjQ3Yzc3ICgibW06IHN0cmVhbWxpbmUgQ09XIGxvZ2ljIGluIGRvX3N3YXBfcGFnZSgp IikgbW92ZWQKPiB0aGUgY2FsbCB0byBzd2FwX2ZyZWUoKSBiZWZvcmUgdGhlIGNhbGwgdG8gc2V0 X3B0ZV9hdCgpLCB3aGljaCBtZWFudCB0aGF0Cj4gdGhlIE1URSB0YWdzIGNvdWxkIGVuZCB1cCBi ZWluZyBmcmVlZCBiZWZvcmUgc2V0X3B0ZV9hdCgpIGhhZCBhIGNoYW5jZQo+IHRvIHJlc3RvcmUg dGhlbS4gRml4IGl0IGJ5IGFkZGluZyBhIGNhbGwgdG8gdGhlIGFyY2hfc3dhcF9yZXN0b3JlKCkg aG9vawo+IGJlZm9yZSB0aGUgY2FsbCB0byBzd2FwX2ZyZWUoKS4KPiAKPiBTaWduZWQtb2ZmLWJ5 OiBQZXRlciBDb2xsaW5nYm91cm5lIDxwY2NAZ29vZ2xlLmNvbT4KPiBMaW5rOiBodHRwczovL2xp bnV4LXJldmlldy5nb29nbGVzb3VyY2UuY29tL2lkL0k2NDcwZWZhNjY5ZThiZDJmODQxMDQ5Yjhj NjEwMjBjNTEwNjc4OTY1Cj4gQ2M6IDxzdGFibGVAdmdlci5rZXJuZWwub3JnPiAjIDYuMQo+IEZp eGVzOiBjMTQ1ZTBiNDdjNzcgKCJtbTogc3RyZWFtbGluZSBDT1cgbG9naWMgaW4gZG9fc3dhcF9w YWdlKCkiKQo+IFJlcG9ydGVkLWJ5OiBRdW4td2VpIExpbiAo5p6X576k5bS0KSA8UXVuLXdlaS5M aW5AbWVkaWF0ZWsuY29tPgo+IENsb3NlczogaHR0cHM6Ly9sb3JlLmtlcm5lbC5vcmcvYWxsLzUw NTA4MDU3NTNhYzQ2OWU4ZDcyN2M3OTdjMjIxOGE5ZDc4MGQ0MzQuY2FtZWxAbWVkaWF0ZWsuY29t LwoKUmV2aWV3ZWQtYnk6IFN0ZXZlbiBQcmljZSA8c3RldmVuLnByaWNlQGFybS5jb20+Cgo+IC0t LQo+IHYyOgo+IC0gQ2FsbCBhcmNoX3N3YXBfcmVzdG9yZSgpIGRpcmVjdGx5IGluc3RlYWQgb2Yg dmlhIGFyY2hfZG9fc3dhcF9wYWdlKCkKPiAKPiAgbW0vbWVtb3J5LmMgfCA3ICsrKysrKysKPiAg MSBmaWxlIGNoYW5nZWQsIDcgaW5zZXJ0aW9ucygrKQo+IAo+IGRpZmYgLS1naXQgYS9tbS9tZW1v cnkuYyBiL21tL21lbW9yeS5jCj4gaW5kZXggZjY5ZmJjMjUxMTk4Li5mYzI1NzY0MDE2YjMgMTAw NjQ0Cj4gLS0tIGEvbW0vbWVtb3J5LmMKPiArKysgYi9tbS9tZW1vcnkuYwo+IEBAIC0zOTMyLDYg KzM5MzIsMTMgQEAgdm1fZmF1bHRfdCBkb19zd2FwX3BhZ2Uoc3RydWN0IHZtX2ZhdWx0ICp2bWYp Cj4gIAkJfQo+ICAJfQo+ICAKPiArCS8qCj4gKwkgKiBTb21lIGFyY2hpdGVjdHVyZXMgbWF5IGhh dmUgdG8gcmVzdG9yZSBleHRyYSBtZXRhZGF0YSB0byB0aGUgcGFnZQo+ICsJICogd2hlbiByZWFk aW5nIGZyb20gc3dhcC4gVGhpcyBtZXRhZGF0YSBtYXkgYmUgaW5kZXhlZCBieSBzd2FwIGVudHJ5 Cj4gKwkgKiBzbyB0aGlzIG11c3QgYmUgY2FsbGVkIGJlZm9yZSBzd2FwX2ZyZWUoKS4KPiArCSAq Lwo+ICsJYXJjaF9zd2FwX3Jlc3RvcmUoZW50cnksIGZvbGlvKTsKPiArCj4gIAkvKgo+ICAJICog UmVtb3ZlIHRoZSBzd2FwIGVudHJ5IGFuZCBjb25kaXRpb25hbGx5IHRyeSB0byBmcmVlIHVwIHRo ZSBzd2FwY2FjaGUuCj4gIAkgKiBXZSdyZSBhbHJlYWR5IGhvbGRpbmcgYSByZWZlcmVuY2Ugb24g dGhlIHBhZ2UgYnV0IGhhdmVuJ3QgbWFwcGVkIGl0CgoKX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX18KbGludXgtYXJtLWtlcm5lbCBtYWlsaW5nIGxpc3QKbGlu dXgtYXJtLWtlcm5lbEBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQu b3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtYXJtLWtlcm5lbAo=