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Wed, 1 Apr 2026 14:07:01 +0000 (UTC) X-FDA: 84610163442.11.4A1685E Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by imf07.hostedemail.com (Postfix) with ESMTP id 2426440018 for ; Wed, 1 Apr 2026 14:06:59 +0000 (UTC) Authentication-Results: imf07.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=U61ulmMY; spf=pass (imf07.hostedemail.com: domain of david@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=david@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1775052420; a=rsa-sha256; cv=none; b=zn9P7+5ehN12PiQ7T/b/fnwI2590y6v9h54uWx8y8LHoMO+ZmpvTVOIvkptteBF12SpU08 7a/vV5N2iTL4boayHY5hFK7ZU2FCZ0KclFfGYkFq5wX88I6iC978WXV0SqwJ2DBBqj5ASQ oXVzEenrq38nNbe9oC3BBVRg69FLs64= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1775052420; 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; 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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 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 X-Rspam-User: X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: 2426440018 X-Stat-Signature: dc67x1ec59w46arp5ib9i4184qxiy9w4 X-HE-Tag: 1775052419-577268 X-HE-Meta: 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 l41Iq0tX Urzky9zBKpu3jwhkBKPjaUv07ELEpBlaUo1EmAi4ELfSzv/8TSifsA2aAkpCOOByPiKpBG7FGEm7+PoARp0Fr8Z3ZisGkz6tI9Bm3mzoFfiRWAgFyUfmIYGPqfwLyc9WypdTShXo0zKCv8upIZD3QAr7wOiP7zJA1CmHly5M3Yl5VRqvnGi/WJ8oaqMi+pPKKnTlfWhcVlu/2Z2nMItKtJOhWyW+jxpTLc1FeR7A290K/7tK301kc4TgbKbN0uL8V2Z+JfI2WDOndGugy+YRUgF/wvqNyeHt5SYo3QAtikLJ1htn6626j8CfaZinKYIhntB6OLxLUoYstK7zTCcqLPi8sA9jMiYvHplroiQpxEOWHkHVHjex2lo4ho12MTNBd1vMOiwQCvramBt8GEm0GAB6ABuTUf/j2mu0weHmMapG8wNad60hrA9NHbUG9NEkZnk37 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: 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