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Mon, 13 Apr 2026 09:10:54 +0000 (UTC) X-FDA: 84652962828.19.6DB7013 Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by imf09.hostedemail.com (Postfix) with ESMTP id 595E7140002 for ; Mon, 13 Apr 2026 09:10:52 +0000 (UTC) Authentication-Results: imf09.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=JPAQYOSP; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf09.hostedemail.com: domain of david@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=david@kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1776071452; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=l3m0nuFmJ95eN01aXXP2pKahqIdOWK977I1fGu58zD4=; b=KldM5bND9RiBE1xPgtOkF9C1D4SM+IM3piqrY3/cdJvw8/x1FAWs/l2eJYmZWe3ClAbwq8 arnZr2umObKghmMA2GJ3BD9d3xJs/3qiyQHI2lkIVfEVY33ilH2MyXpvs65BR4vb0fkJno vFOnJOEXdBwpR79ZL2tWbDgu67szN2g= ARC-Seal: i=1; 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b=JPAQYOSP+82Mrgd3K9LX+JOgRGR+5JCTGIcm/aWhEaYJv0jtVi+RcP/FTnbHyT7EP rD1UGTsjwOk5dpx9xu86UAGLCciY6IwSKJPP7IJvzyIp9rlOS7Q0TSAy1rwDQYR9iv 4tURTBnXBfuUOt2u0Wo9tMjI9NW8yybRToaIK/WEtBu36JG/w1oFn3pvFyksXcLKcf D4dVLqGlr02b58+Wt8cOtNTYUqqUHziJBQF32lq2s9uw+LgtNW2velkwt65hHTMv1Y P6rJwXEhFodMpqLfRStEU7CwE+zRnvTuf/bbAmGJ5xr1tR3vz9Nl2JYz/iuA8AglOi N8VgDPMCz8bew== Message-ID: <7feed614-f59f-4c03-b745-2306450a899d@kernel.org> Date: Mon, 13 Apr 2026 11:10:47 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2] selftests: mm: skip charge_reserved_hugetlb without killall To: Cao Ruichuang , rppt@kernel.org Cc: akpm@linux-foundation.org, shuah@kernel.org, linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260406053126.217196-1-create0818@163.com> <20260410044139.67480-1-create0818@163.com> 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: <20260410044139.67480-1-create0818@163.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 595E7140002 X-Stat-Signature: uqion13up3zsh7dnq59bmsnrjyxa86br X-Rspam-User: X-Rspamd-Server: rspam10 X-HE-Tag: 1776071452-904026 X-HE-Meta: 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 IqoQQcPg EheMp9Ydo4ZMXREzzZlCnZncgc/Jl+62TK+55K5D8DTJzHfVz+DwCxvAW9DoegMNBLLCWSgL1KdnSFBF3IlmJIkySoKUWuSqW+I+K4m0wryj9bb+m1hD1gXsVfQito6zyGE4Xs5Qm2jVGGjvuu56dumNBmmrDJTl5GpunKmtZwIFtrYoTx3CJYsvQ1t9mhY9tvvKD69+IprM9sYCSRKWrMueGg/CWa6a1n09jokAnO6oMpAr03JJG1jRoH9Uky4ZO4DzJ6GLDmOvPUeQYnG3R4DynztfxgYtOHhoBCihkJkYTqnISs0kWmLZpZNcvdqywOJ1OBwZ0qxPq43DOEbQsbHKIKJvDAGpZsPNf Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 4/10/26 06:41, Cao Ruichuang wrote: > charge_reserved_hugetlb.sh tears down background writers with > killall from psmisc. Minimal Ubuntu images do not always provide > that tool, so the selftest fails in cleanup for an environment reason > rather than for the hugetlb behavior it is trying to cover. > > Skip the test when killall is unavailable, similar to the existing > root check, so these environments report the dependency clearly > instead of failing the test. > > Signed-off-by: Cao Ruichuang > --- Reviewed-by: David Hildenbrand (Arm) -- Cheers, David