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([9.218.2.226]) by ppma22.wdc07v.mail.ibm.com (PPS) with ESMTPS id 3vwcj038kv-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 01 Feb 2024 09:00:46 +0000 Received: from smtpav02.fra02v.mail.ibm.com (smtpav02.fra02v.mail.ibm.com [10.20.54.101]) by smtprelay02.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 41190ivJ23790306 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 1 Feb 2024 09:00:44 GMT Received: from smtpav02.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id CA50920040; Thu, 1 Feb 2024 09:00:44 +0000 (GMT) Received: from smtpav02.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 660BC20043; Thu, 1 Feb 2024 09:00:43 +0000 (GMT) Received: from linux.ibm.com (unknown [9.171.28.236]) by smtpav02.fra02v.mail.ibm.com (Postfix) with ESMTPS; Thu, 1 Feb 2024 09:00:43 +0000 (GMT) Date: Thu, 1 Feb 2024 11:00:41 +0200 From: Mike Rapoport To: Yongqiang Liu Cc: Robin Murphy , "Russell King (Oracle)" , linux-arm-kernel@lists.infradead.org, yanaijie@huawei.com, zhangxiaoxu5@huawei.com, wangkefeng.wang@huawei.com, sunnanyong@huawei.com, linux-kernel@vger.kernel.org, keescook@chromium.org, arnd@arndb.de, m.szyprowski@samsung.com, willy@infradead.org Subject: Re: [PATCH] arm: flush: don't abuse pfn_valid() to check if pfn is in RAM Message-ID: References: <20240131125907.1006760-1-liuyongqiang13@huawei.com> <0da50102-3e87-49f7-b8f7-45cfcb4232d6@arm.com> <8b50ca93-c164-ddfc-cd79-8f8525198a96@huawei.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <8b50ca93-c164-ddfc-cd79-8f8525198a96@huawei.com> X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: S47JddwGa1Kge7YCgDxFNbzSsG5FhyUD X-Proofpoint-GUID: S47JddwGa1Kge7YCgDxFNbzSsG5FhyUD X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-01-31_10,2024-01-31_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam 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