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imf20.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b="cv/zZt18"; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf20.hostedemail.com: domain of david@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=david@kernel.org ARC-Seal: i=1; a=rsa-sha256; d=hostedemail.com; s=arc-20220608; cv=none; t=1787041315; b=ae3KXzqIRgPYIi/FPuCY015g6b8+USk6DixH4CF5sDWIJK/jOtzonsSPjOGIJ97maal5RK 5AcIo1i9oXtBv7OfSsPPm4TnCv8jBtHmbyfeKnzn+5QVJcQQgsysDCMFI39rvXaQ39hu/F Xp3tNRVzw4++6gf7DSbQEFX1QUR8SrY= Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id 5705A601DE; Tue, 18 Aug 2026 08:21:54 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B117F1F000E9; Tue, 18 Aug 2026 08:21:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1787041314; bh=7aLY/2rHSc0H4xWV38Nj7mu6p4voUj76rve8wfVW5R4=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=cv/zZt18oNDbdfW10lQ4W9vSXzpH5nZ1k4+9zsUHQ3CqiEXxZ06dotCXkyHQhy/CV Sq2IftAjlNy8UvUPBoJHUnHOIshmc8hILs2/Be9sOMqM1batzY7Zwn3HlQxq39zjsI aL61FcaJlbu+K8D2RhMZUaOK0SeL7EsiUbuQ/cWPRTDJjnYt7GAzEOb/NrDDKKpkSx BhIh1nJBpOd7fAcdjypwpS0jWL1M1r42CGIb8CpaLYgiKa/GJbGdAk2mVuZvRAq/SV 5nd3d+raMBd1OfXPvNSR0hiwqkhnsGzlWO93BQQbVmrB28Ktw83ZCTYTsoU5iJw8/M I1HMJSfnFSevg== Message-ID: Date: Tue, 18 Aug 2026 10:21:47 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] selftests/mm: Drop redundant open() in mprotect_tests() To: Hongfu Li , akpm@linux-foundation.org, ljs@kernel.org, liam@infradead.org, vbabka@kernel.org, rppt@kernel.org, surenb@google.com, mhocko@suse.com, shuah@kernel.org Cc: linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, Hongfu Li References: <20260817080616.52946-1-hongfu.li@linux.dev> From: "David Hildenbrand (Arm)" Content-Language: en-US Autocrypt: addr=david@kernel.org; keydata= xsFNBFXLn5EBEAC+zYvAFJxCBY9Tr1xZgcESmxVNI/0ffzE/ZQOiHJl6mGkmA1R7/uUpiCjJ dBrn+lhhOYjjNefFQou6478faXE6o2AhmebqT4KiQoUQFV4R7y1KMEKoSyy8hQaK1umALTdL QZLQMzNE74ap+GDK0wnacPQFpcG1AE9RMq3aeErY5tujekBS32jfC/7AnH7I0v1v1TbbK3Gp XNeiN4QroO+5qaSr0ID2sz5jtBLRb15RMre27E1ImpaIv2Jw8NJgW0k/D1RyKCwaTsgRdwuK Kx/Y91XuSBdz0uOyU/S8kM1+ag0wvsGlpBVxRR/xw/E8M7TEwuCZQArqqTCmkG6HGcXFT0V9 PXFNNgV5jXMQRwU0O/ztJIQqsE5LsUomE//bLwzj9IVsaQpKDqW6TAPjcdBDPLHvriq7kGjt WhVhdl0qEYB8lkBEU7V2Yb+SYhmhpDrti9Fq1EsmhiHSkxJcGREoMK/63r9WLZYI3+4W2rAc UucZa4OT27U5ZISjNg3Ev0rxU5UH2/pT4wJCfxwocmqaRr6UYmrtZmND89X0KigoFD/XSeVv jwBRNjPAubK9/k5NoRrYqztM9W6sJqrH8+UWZ1Idd/DdmogJh0gNC0+N42Za9yBRURfIdKSb B3JfpUqcWwE7vUaYrHG1nw54pLUoPG6sAA7Mehl3nd4pZUALHwARAQABzS5EYXZpZCBIaWxk ZW5icmFuZCAoQ3VycmVudCkgPGRhdmlkQGtlcm5lbC5vcmc+wsGQBBMBCAA6AhsDBQkmWAik AgsJBBUKCQgCFgICHgUCF4AWIQQb2cqtc1xMOkYN/MpN3hD3AP+DWgUCaYJt/AIZAQAKCRBN 3hD3AP+DWriiD/9BLGEKG+N8L2AXhikJg6YmXom9ytRwPqDgpHpVg2xdhopoWdMRXjzOrIKD g4LSnFaKneQD0hZhoArEeamG5tyo32xoRsPwkbpIzL0OKSZ8G6mVbFGpjmyDLQCAxteXCLXz ZI0VbsuJKelYnKcXWOIndOrNRvE5eoOfTt2XfBnAapxMYY2IsV+qaUXlO63GgfIOg8RBaj7x 3NxkI3rV0SHhI4GU9K6jCvGghxeS1QX6L/XI9mfAYaIwGy5B68kF26piAVYv/QZDEVIpo3t7 /fjSpxKT8plJH6rhhR0epy8dWRHk3qT5tk2P85twasdloWtkMZ7FsCJRKWscm1BLpsDn6EQ4 jeMHECiY9kGKKi8dQpv3FRyo2QApZ49NNDbwcR0ZndK0XFo15iH708H5Qja/8TuXCwnPWAcJ DQoNIDFyaxe26Rx3ZwUkRALa3iPcVjE0//TrQ4KnFf+lMBSrS33xDDBfevW9+Dk6IISmDH1R HFq2jpkN+FX/PE8eVhV68B2DsAPZ5rUwyCKUXPTJ/irrCCmAAb5Jpv11S7hUSpqtM/6oVESC 3z/7CzrVtRODzLtNgV4r5EI+wAv/3PgJLlMwgJM90Fb3CB2IgbxhjvmB1WNdvXACVydx55V7 LPPKodSTF29rlnQAf9HLgCphuuSrrPn5VQDaYZl4N/7zc2wcWM7BTQRVy5+RARAA59fefSDR 9nMGCb9LbMX+TFAoIQo/wgP5XPyzLYakO+94GrgfZjfhdaxPXMsl2+o8jhp/hlIzG56taNdt VZtPp3ih1AgbR8rHgXw1xwOpuAd5lE1qNd54ndHuADO9a9A0vPimIes78Hi1/yy+ZEEvRkHk /kDa6F3AtTc1m4rbbOk2fiKzzsE9YXweFjQvl9p+AMw6qd/iC4lUk9g0+FQXNdRs+o4o6Qvy iOQJfGQ4UcBuOy1IrkJrd8qq5jet1fcM2j4QvsW8CLDWZS1L7kZ5gT5EycMKxUWb8LuRjxzZ 3QY1aQH2kkzn6acigU3HLtgFyV1gBNV44ehjgvJpRY2cC8VhanTx0dZ9mj1YKIky5N+C0f21 zvntBqcxV0+3p8MrxRRcgEtDZNav+xAoT3G0W4SahAaUTWXpsZoOecwtxi74CyneQNPTDjNg azHmvpdBVEfj7k3p4dmJp5i0U66Onmf6mMFpArvBRSMOKU9DlAzMi4IvhiNWjKVaIE2Se9BY FdKVAJaZq85P2y20ZBd08ILnKcj7XKZkLU5FkoA0udEBvQ0f9QLNyyy3DZMCQWcwRuj1m73D sq8DEFBdZ5eEkj1dCyx+t/ga6x2rHyc8Sl86oK1tvAkwBNsfKou3v+jP/l14a7DGBvrmlYjO 59o3t6inu6H7pt7OL6u6BQj7DoMAEQEAAcLBfAQYAQgAJgIbDBYhBBvZyq1zXEw6Rg38yk3e EPcA/4NaBQJonNqrBQkmWAihAAoJEE3eEPcA/4NaKtMQALAJ8PzprBEXbXcEXwDKQu+P/vts IfUb1UNMfMV76BicGa5NCZnJNQASDP/+bFg6O3gx5NbhHHPeaWz/VxlOmYHokHodOvtL0WCC 8A5PEP8tOk6029Z+J+xUcMrJClNVFpzVvOpb1lCbhjwAV465Hy+NUSbbUiRxdzNQtLtgZzOV Zw7jxUCs4UUZLQTCuBpFgb15bBxYZ/BL9MbzxPxvfUQIPbnzQMcqtpUs21CMK2PdfCh5c4gS sDci6D5/ZIBw94UQWmGpM/O1ilGXde2ZzzGYl64glmccD8e87OnEgKnH3FbnJnT4iJchtSvx yJNi1+t0+qDti4m88+/9IuPqCKb6Stl+s2dnLtJNrjXBGJtsQG/sRpqsJz5x1/2nPJSRMsx9 5YfqbdrJSOFXDzZ8/r82HgQEtUvlSXNaXCa95ez0UkOG7+bDm2b3s0XahBQeLVCH0mw3RAQg r7xDAYKIrAwfHHmMTnBQDPJwVqxJjVNr7yBic4yfzVWGCGNE4DnOW0vcIeoyhy9vnIa3w1uZ 3iyY2Nsd7JxfKu1PRhCGwXzRw5TlfEsoRI7V9A8isUCoqE2Dzh3FvYHVeX4Us+bRL/oqareJ CIFqgYMyvHj7Q06kTKmauOe4Nf0l0qEkIuIzfoLJ3qr5UyXc2hLtWyT9Ir+lYlX9efqh7mOY qIws/H2t In-Reply-To: <20260817080616.52946-1-hongfu.li@linux.dev> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Stat-Signature: yzjcftpn6d5cakngesqs3fudwfwtfnu5 X-Rspamd-Queue-Id: 3E7DC1C0006 X-Rspamd-Server: rspam03 X-Rspam-User: X-HE-Tag: 1787041315-606588 X-HE-Meta: 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 3f32pCow /7RZGQMdJOVa+Vih4EtLdh6+SLcUzi2sK394V4tZXp9ry58AyLua+aVfmxfUYc8qAG9M3PC5tkhD3Zk5Gm6Ge95IgyDT/Ptn4j8sYY+3QiOhc95c/w3cvBCpcPwnIYvos2utvCVxhoAhhyEaOmNunBrHVDPuQJOPYhMWK8ZjsVhiPi/8jRXG8ViXsoFi3ruwTjrI5x4MHITvrXnFwvkCSoA54NhXshEYOwrN/JldAkKW+eeYaRVOenGU16tTqna1zKtrYzB4AwQVnlFqv4O6+bZzTO6Th5x6YNLskdKX2v7lG0HyTldep7x91k3lwG5uRmGEH45mBcGwFmsc= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 8/17/26 10:06, Hongfu Li wrote: > From: Hongfu Li > > Remove duplicate open() for local pagemap_fd in mprotect_tests() that > shadows the global pagemap_fd already opened in main(). The local fd > is never used in the function. > > Signed-off-by: Hongfu Li > --- Acked-by: David Hildenbrand (Arm) -- Cheers, David