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Wed, 1 Apr 2026 14:06:58 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D5E5FC4CEF7; Wed, 1 Apr 2026 14:06:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1775052418; bh=GCQU01a5ZNsuOCEJYuG5sSvpFncIhytdteUSQSLtuig=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=U61ulmMYXO/Yxw0dI+GfTeGBv3vu/sR2an67Crxc3iRUCR8cQLH+y1P0zuQot2jbJ 71RWDV9K+xygQo5j2djepYA2QGko7NLMwLUaCOiBzpbJKOdz9tcaZdq75lQO1/BRqo tsuVxCIwA748CsNNZZPWkZqi/Zxs88VP5BABlslc+UpF5wbqSDH4adQNPfNPgUyqCi 2dUVJH8d4shCVNmVeGYRDOYtAQudo+Z5b4EBMzedTMoTphcqByUw7S/O1JUpMAbG19 OpsW9K4XJBhdosrhTJCKhB6bA15+agZ/07fGKRvbkVDAFqux4pahx7Uk7MXV8/J0Hm N2x+Lo1QPCj4A== Message-ID: Date: Wed, 1 Apr 2026 16:06:52 +0200 X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 03/13] selftests/mm: fix hugetlb pathname construction in hugetlb_reparenting_test.sh To: Sayali Patil , Andrew Morton , Shuah Khan , linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, Ritesh Harjani Cc: Zi Yan , Michal Hocko , Oscar Salvador , Lorenzo Stoakes , Dev Jain , Liam.Howlett@oracle.com, linuxppc-dev@lists.ozlabs.org, Venkat Rao Bagalkote References: <05459b5038595a3a673507e707402839cdcc2955.1774591179.git.sayalip@linux.ibm.com> From: "David Hildenbrand (Arm)" Content-Language: en-US Autocrypt: addr=david@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 3/27/26 08:15, Sayali Patil wrote: > The hugetlb_reparenting_test.sh script constructs hugetlb cgroup > memory interface file names based on the configured huge page size. The > script formats the size only in MB units, which causes mismatches on > systems using larger huge pages where the kernel exposes normalized > units (e.g. "1GB" instead of "1024MB"). > > As a result, the test fails to locate the corresponding cgroup files > when 1GB huge pages are configured. > > Update the script to detect the huge page size and select the > appropriate unit (MB or GB) so that the constructed paths match the > kernel's hugetlb controller naming. > > Also print an explicit "Fail" message when a test failure occurs to > improve result visibility. > > Fixes: e487a5d513cb ("selftest/mm: make hugetlb_reparenting_test tolerant to async reparenting") > Reviewed-by: Zi Yan > Tested-by: Venkat Rao Bagalkote > Signed-off-by: Sayali Patil > --- Acked-by: David Hildenbrand (Arm) -- Cheers, David