From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 412E6CD484E for ; Mon, 11 May 2026 21:34:26 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 553F46B00AE; Mon, 11 May 2026 17:34:25 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 5042F6B00AF; Mon, 11 May 2026 17:34:25 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 3F35A6B00B0; Mon, 11 May 2026 17:34:25 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0014.hostedemail.com [216.40.44.14]) by kanga.kvack.org (Postfix) with ESMTP id 2A7946B00AE for ; Mon, 11 May 2026 17:34:25 -0400 (EDT) Received: from smtpin06.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay06.hostedemail.com (Postfix) with ESMTP id CC28F1C017F for ; Mon, 11 May 2026 21:34:24 +0000 (UTC) X-FDA: 84756442848.06.F4BA6AC Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by imf03.hostedemail.com (Postfix) with ESMTP id 2C08A20007 for ; Mon, 11 May 2026 21:34:23 +0000 (UTC) Authentication-Results: imf03.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b=z5AwNJFH; dmarc=none; spf=pass (imf03.hostedemail.com: domain of akpm@linux-foundation.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1778535263; a=rsa-sha256; cv=none; b=sBkofij+bU9LFrUNS0n7iUj3gZ1LVQQmAjL/CMk9DvXsyw3LosIan3BaXk83osi4Dmexnj m18pjYYwADTC85f1dWd394zhA7rTlNsdk/0I4LkXcyfVKDCUPN2hhLwee7Fv5FNKAgBpyd ZBWfz4rFPuKlC5MWaYAhD3HPwGI6f5s= ARC-Authentication-Results: i=1; imf03.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b=z5AwNJFH; dmarc=none; spf=pass (imf03.hostedemail.com: domain of akpm@linux-foundation.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1778535263; 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=aHK+oRThZjfzaOTF1CJQWpqSaD0CfU7oQ5Rysn1bV7E=; b=PKCUeZAZCgcZGtSkkbbN4dI3KyWLcjiJ4kVF+FFJuVDq7n59kZ4FPJxxQ17JmrV4SDHPB8 aaElPWdUYNi/uNJK10vUqpJvDdgNEYAXxbai0TwqDmCuASAwkqmqTlkV8sRVAzfvPT/FIg nLyz2gCkqbUFoSgiUsN8KEp2agqGtAw= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 6333460055; Mon, 11 May 2026 21:34:22 +0000 (UTC) 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) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Stat-Signature: i9tdcdbtre1kmc9piwcrht7tsu4zm4yy X-Rspam-User: X-Rspamd-Queue-Id: 2C08A20007 X-Rspamd-Server: rspam07 X-HE-Tag: 1778535263-532369 X-HE-Meta: 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 xPeHUE3L xodxX8umWJMEFqYoZhTcwfBry4O59UvLNclD+CpQJtnh6WZNezCdzldFdz7sjIXpkc+RZzK+pyVi2krZ5MIlpzCXVV0P7E5/AK7Vil5xHgqT2wlqlQGa6W8rQNSzr0ES7fw36dJeDm5BevKIAtcBT0S62l7mDCpvaRRyP0J05am3jjDaNCTrH1RZoklj430Ie93nYf7tjaT43JkXqtIVP/Gj/k4CK9p+ZPrQqPg2kxDQWpRAqAtTWGrjHRvInjgBOURo4e9z5ATTkf0H6sqY+5nZzVg== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: 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 ;)