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imf02.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b=TsKHeeC+; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf02.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=1786354700; b=AZqXi7+QoP0DzldNbDZJOOmqv2u4fUjKSRz8Rg706zVaC094X69mxXxbf8ByWol4FtbxqG Get1mRu/mvTNswmGGZjCCKogCjZUE6j4XnpkHh+K/EeWf+DsHXVlbDc2VrQXRs1DHqHP4N yWck86ofB4hOZlz+6DvUN1yAj8W4ZwI= Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id EC6BE60052; Mon, 10 Aug 2026 09:38:19 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B4F871F000E9; Mon, 10 Aug 2026 09:38:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1786354699; bh=VMgfCTlPJRd3szvmNBD7X+SmPUoMegKM7uQzjpFP+WA=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=TsKHeeC+ruEDWBaZOpVKR2LYalg3VWP/lndVCnGpUjWU2roOKVN3EL2QPq4DRrVKk R9N/c9drmjLv/zKlDia0NUZ5HZ6misrPI9EYkF+7E/DOOAkklmkj3h/Yj1R5XJm1vp FeO3X63cM7WPHAgkWVYQUW3jBxNIM7rd7BolpBhUhh6klJ8S5v5by2TalkxCKUsLqB UAvHOsLQiUcV+ftYvhE1M1IfO7IO7cDFltE6nhG6dRKObb9QjeLOFhQUQ/lbb6Gdh3 0bI09OP/3RD/Ps6vvibRisAigDIRBhd2Bsv4EsSNu+p/LszGSxDsROZrlK7D8RK1t4 lkRWXdeRWR0Nw== Message-ID: <99a7d8de-3b5a-4935-8bfa-e514eefd513d@kernel.org> Date: Mon, 10 Aug 2026 11:38:14 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] mm/cma: remove stray newline from auto-generated CMA area name 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 Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Hongfu Li References: <20260810093215.91419-1-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: <20260810093215.91419-1-hongfu.li@linux.dev> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: 789F380008 X-Stat-Signature: hoqt1f6cxzog5no1er3xohn8bb6ztebd X-Rspam-User: X-HE-Tag: 1786354700-398947 X-HE-Meta: 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 vwAgtISu jGMVTifQOuBpV01XsSxfAJL6aMZWiKUBL2HD3+tCW3hMXNdVQmgcO9/Aat0DafNouWm1eDjNvWxoh8kugzVN5F4gIH707jBiUJSxDR6NoaentYQb2jPEDWLumKyfuJP5XjP4eUtFxJqZtOgXC15ZoqX3qvVpgN/supFeRwkQpFQDnN3arhKwRb05Lb3n7f726P3tLRDAVVC9Ka6lELa2kxY9H2KWhZlFfdXyDu/39XQFiE3C0OmEc8iADefk5nlyVRnatAicE5SYdyVb31pwU1M+b5A== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 8/10/26 11:32, Hongfu Li wrote: > From: Hongfu Li > > When no name is supplied, cma_new_area() generates names with format > "cma%d\n", introducing an unintended newline character ('\n') in the > CMA name. > > Most CMA regions are created with explicit names, so this path is > seldom hit. The newline only creates cosmetic noise in debug logs, > traces and debugfs with no functional impact. > > Signed-off-by: Hongfu Li > --- > mm/cma.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/mm/cma.c b/mm/cma.c > index a7929c758df1..a10ea37a261d 100644 > --- a/mm/cma.c > +++ b/mm/cma.c > @@ -242,7 +242,7 @@ static int __init cma_new_area(const char *name, phys_addr_t size, > if (name) > strscpy(cma->name, name); > else > - snprintf(cma->name, CMA_MAX_NAME, "cma%d\n", cma_area_count); > + snprintf(cma->name, CMA_MAX_NAME, "cma%d", cma_area_count); > > cma->available_count = cma->count = size >> PAGE_SHIFT; > cma->order_per_bit = order_per_bit; Acked-by: David Hildenbrand (Arm) -- Cheers, David