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 B8687CD3427 for ; Mon, 11 May 2026 08:26:06 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 2D9816B0092; Mon, 11 May 2026 04:26:06 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 2B0636B0096; Mon, 11 May 2026 04:26:06 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 1ED746B0098; Mon, 11 May 2026 04:26:06 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id 0C0F36B0092 for ; Mon, 11 May 2026 04:26:06 -0400 (EDT) Received: from smtpin12.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay05.hostedemail.com (Postfix) with ESMTP id ACF864065C for ; Mon, 11 May 2026 08:26:05 +0000 (UTC) X-FDA: 84754456290.12.AD337D1 Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by imf19.hostedemail.com (Postfix) with ESMTP id D6B6F1A0002 for ; Mon, 11 May 2026 08:26:03 +0000 (UTC) Authentication-Results: imf19.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=ax0unyIU; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf19.hostedemail.com: domain of rppt@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=rppt@kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1778487963; 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: in-reply-to:in-reply-to:references:references:dkim-signature; bh=UoWbMaKHcDxh+XzNuNSm9GkUGpdBl+ZFHaoLi4t7TLg=; b=NaL7TqP6fG6nl0qHJ7vb+AQQ+AnEB/8jr3lQuTfWrRt70JB2S2vlRoU7K4OjOWIhwlvbTb E8Csw0sph698J1Zacb/R7kL5OwyfRmDypIQnmgFrOe9BiEE+jqazs8Mae1lNM23kFpQ3Uo zkYpwwNGqdmMG9OFqBVvL2c7U4jn+sY= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1778487964; a=rsa-sha256; cv=none; b=qYFfw5amMzWQiE9jq/6Afmb8DhigiH2OUJpchG9QryxqCRMqWCGJmbDxzwJEjvNilzNANh yqgMm6CwvIXTJqdScwFJeUuIcJk5832hadJRd6hF3cVNSFMBibHw44i+l9WI2e2eLK+jYx 2zcO8ogZ8qe3mniDhbU8Qd8vjvnc0tw= ARC-Authentication-Results: i=1; imf19.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=ax0unyIU; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf19.hostedemail.com: domain of rppt@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=rppt@kernel.org Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 0B3C943FC5; Mon, 11 May 2026 08:26:03 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8FF52C2BCB0; Mon, 11 May 2026 08:25:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1778487962; bh=ZDQHQLuS8vxCZNeF0Ws0yf2AAH+PPN2lndIWRaleKbs=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=ax0unyIUwrRzYEOomZasRiJU217mNdPoVVP6q2CixVpusu8IPhKniQZT2CEAT/z+M SWAy+Umhg0c1hWX3gJMlz9454TLUzRX0WiwB8HILKVnZ8EsmBuLf+ViQ7DqniWvBga 65X+KXKS16KECvfckRJ00w3cDpj96sfOEXO4fm63pGnZZi6WdK44Jwz+Ib5et5PxwA b00scRHQkOKDxPJ8NEKoWXN15+guBJHOxHkD04qgmk6LYZUgRzWcCRUCevdUG0Yc2Q trw9OIXC3R8sC0Tzp/viOilsoWGB5CjWgr1zseYTuzll14N4EieIaEodivYsjZ7mYS clipQTrv++wRQ== Date: Mon, 11 May 2026 11:25:51 +0300 From: Mike Rapoport To: Sarthak Sharma Cc: Andrew Morton , David Hildenbrand , Baolin Wang , Barry Song , Dev Jain , Donet Tom , Jason Gunthorpe , John Hubbard , "Liam R. Howlett" , Lance Yang , Leon Romanovsky , Lorenzo Stoakes , Luiz Capitulino , Mark Brown , Michal Hocko , Nico Pache , Peter Xu , Ryan Roberts , 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 v3 42/54] selftests/mm: hugetlb-soft-online: add setup of HugeTLB pages Message-ID: References: <20260428204240.1924129-1-rppt@kernel.org> <20260428204240.1924129-43-rppt@kernel.org> <55538154-c46a-4504-a976-ce66e2555534@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <55538154-c46a-4504-a976-ce66e2555534@arm.com> X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: D6B6F1A0002 X-Stat-Signature: sax1kph84jdzp578padey4jsxwsneqig X-Rspam-User: X-HE-Tag: 1778487963-149922 X-HE-Meta: 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 wTHtAc/y mLnIsSEf93TmMlPEWeKFSINJsx6ffGKBojLACcqt9boTuHNSK41kExiE7JXJElxb/j8hhNsCfszjfBF3UgpfS8BBZFNW+IE7SiM8IUXVmS02b+OFG5zGoGSDz8vZj7uKDyTiD2/vs2mSjUYXAO6wWyMhge64dvP7s4L3OW3xXJY1ad5RuWA7K/gTqJNisWylysi42KaZrNz8hakpikunXFFdm+24R9XhH0bsIiAR/sZ8f63Y1WND47uz9f4eFus6kQqTb3DNb1rKIcnqZBWW+6J9B46jp6SOnVX7oG8HB3eYaVcOC485d5pdpnvYyU5Cha8KwWvcumCRYJd8eB+iLmMyrIQ== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hi Sarthak, On Tue, May 05, 2026 at 12:45:52PM +0530, Sarthak Sharma wrote: > Hi Mike! > > On 4/29/26 2:12 AM, Mike Rapoport wrote: > > From: "Mike Rapoport (Microsoft)" > > > > hugetlb-soft-online test uses open coded access to /proc to determine > > availability of huge pages and fails if there are no enough free huget > > pages.. > > > > Replace open coded access to /proc with hugepage helpers and add setup > > of HugeTLB pages to the test and make sure that the original settings > > are restored on the test exit. > > > > Signed-off-by: Mike Rapoport (Microsoft) > > The test is hugetlb-soft-offline, so let's change the commit title and > commit message to say "offine" instead of "online". Good catch :) > I have run the test before and after applying the patch. Before the > patch, it failed with an mmap error when hugepages were not > preallocated. After applying the patch, the test correctly allocates the > required hugepages and the test passes. > > Tested-by: Sarthak Sharma -- Sincerely yours, Mike.