From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6F49B4D8DB5; Mon, 11 May 2026 21:34:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778535262; cv=none; b=B6J8LWG0KactRA0nJ/Mv6BfYbktz4LQ1iIzwFgAecnqn1KxdjKnu0VzrIIjFWWQmzclUu+pDFsVCytx7JemAKNTNaTyGIaWSh8E8c7YEYSOrsoK8d1fNLHTVK+4ViqQRnQs3dQVyMurdhgQnz4gI8DmRxvG6/qC2UToTf8nrDA8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778535262; c=relaxed/simple; bh=UqVonophyFqbSxTsEU+N90w0I2vG1qI/ghSqvSUUGSI=; h=Date:From:To:Cc:Subject:Message-Id:In-Reply-To:References: Mime-Version:Content-Type; b=bMfiUlQOP13+8Lp1b9x+8Hww5BXqp5aoRQtgfPnOtfEdJKAeS8Aml7Z/ZPf2V2+hW7ODurxRyUMXi5EZ7gv8vbnvZdKKEAw7ZcQLR6IdcXwPRPPdRMhVZFEPWKj2gAo4tv8fSQz26ojdi04qUbQbUs9KBYTjL2ryPikCHm+vwgo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=z5AwNJFH; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="z5AwNJFH" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4F033C2BCB0; Mon, 11 May 2026 21:34:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1778535262; bh=UqVonophyFqbSxTsEU+N90w0I2vG1qI/ghSqvSUUGSI=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=z5AwNJFHumsQBI/26Qv1iSRJq+NoavFvavQK2LRR3VO3yI8ukXBvVvR+IUjvc+f5c NLsmkapcJI6brRzk3jhvNyWysUuEaQ1NIN2kcVyXL2farfbpLeJB3qxyWfZtHdFkAY gQ0OZAEu8/eVRmUaKxIqnTCYL7Th3e0EkfjJ8bIU= Date: Mon, 11 May 2026 14:34:20 -0700 From: Andrew Morton To: Mike Rapoport Cc: David Hildenbrand , Baolin Wang , Barry Song , Dev Jain , Donet Tom , Jason Gunthorpe , John Hubbard , "Liam R. Howlett" , Lance Yang , Li Wang , Leon Romanovsky , Lorenzo Stoakes , Luiz Capitulino , Mark Brown , Michal Hocko , Nico Pache , Peter Xu , Ryan Roberts , Sarthak Sharma , Shuah Khan , Suren Baghdasaryan , Vlastimil Babka , Zi Yan , linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH v4 00/55] make MM selftests more CI friendly Message-Id: <20260511143420.b1dcf710e99baa48d1c37209@linux-foundation.org> In-Reply-To: <20260511162840.375890-1-rppt@kernel.org> References: <20260511162840.375890-1-rppt@kernel.org> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Mon, 11 May 2026 19:27:44 +0300 Mike Rapoport wrote: > From: "Mike Rapoport (Microsoft)" > > Hi, > > There's a lot of dancing around HugeTLB settings in run_vmtests.sh. > Some test need just a few default huge pages, some require at least 256 MB, and > some just skip lots of tests if huge pages of all supported sizes are not > available. > > The goal of this set is to make tests deal with HugeTLB setup and teardown. > > There are already convenient helpers that allow easy reading and writing of > /proc and /sysfs, so adding a few APIs that will detect and update HugeTLB > settings shouldn't be a big deal. But these nice helpers use kselftest > framework, and many of HugeTLB (and even THP) test don't, so as a result this > patchset also includes a lot of churn for conversion of those tests to > kselftest framework (patches 7-19). > > @Andrew, I think it's good to go now. OK, thanks, I've added this to mm-new. > I'm sure Sashiko will still have somehting to say, but there is really a lot of > room for imporvement in our selftests and with Sashiko being overly pedantic > we'd be stuck forever. Fair enough ;)