From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 7D34E40E8CF for ; Fri, 5 Jun 2026 13:22:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780665761; cv=none; b=gqtPw7L+LrD35/HiSvxUYR0qYGZ/VXKti7PLocJ0cZNDXmYreRxtTuACDpTMni9iNTM13YyZk3kvZzOL1RXLRXdM+g91gHAIOl0hG1X8HyhZqwADOt/GmHV3hp4FCh5MqVtNPpDJrFYeF7SGNuLPgQ63/2ME8kwH0JwAf008kkI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780665761; c=relaxed/simple; bh=93JSLib9L9YiVs9K8N6Zs08gpwZhbg2eluTU83xyxXA=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=QpMpk+KpBua+Am4B6bcDgFsxaqknrbs75HTAswEeGA04S1prjmQUu8yijopAa9iXD/KgsqD57srU8W5i9rvJxGWrRTVdne95DdMaGn0tT945LQoR+pegN3xFhQx5qPKX1a87IDvAJN0qfYafIVteJ+AwJVp6kAt8/n86hf+3IVU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b=HM8AmyCN; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b="HM8AmyCN" Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 725A01692; Fri, 5 Jun 2026 06:22:33 -0700 (PDT) Received: from [10.164.19.28] (unknown [10.164.19.28]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 092E03F86F; Fri, 5 Jun 2026 06:22:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1780665758; bh=93JSLib9L9YiVs9K8N6Zs08gpwZhbg2eluTU83xyxXA=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=HM8AmyCNFPg827MEDzq0tEw8siYTLhPiN9l/6cXevgM9xReo/OAf7Wu3qdQaVI8Ev 2vVMiN0P1m9u5OBifDp6lSjvmW7W03eGGpGGYWSPRAENPAYOstUmgdTTgjJ6eLEBjE ubwPMkLkGmyBzJlTVNbzSDFUOsRREOXyGwlm7MrQ= Message-ID: Date: Fri, 5 Jun 2026 18:52:30 +0530 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH mm-hotfixes] mm/huge_memory: use correct flags for device private PMD entry To: Lorenzo Stoakes Cc: Andrew Morton , David Hildenbrand , Zi Yan , Baolin Wang , "Liam R . Howlett" , Nico Pache , Ryan Roberts , Barry Song , Lance Yang , SeongJae Park , Balbir Singh , linux-mm@kvack.org, linux-kernel@vger.kernel.org References: <20260601083044.57132-1-ljs@kernel.org> <73762983-d48d-486f-ad5f-78015e6f95ee@arm.com> Content-Language: en-US From: Dev Jain In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 05/06/26 3:37 pm, Lorenzo Stoakes wrote: > By the way, > > I think maybe the reason you didn't hit this in your work on the spurious > warning stuff for hmm-tests is that I also had to set CONFIG_DEVICE_PRIVATE > (as well as CONFIG_TEST_HMM) to get this to trigger. > > I think the reason others maybe didn't see it is because the self tests > will just skip the hmm tests if CONFIG_TEST_HMM is not set. I have all of that set, still can't hit this. Instead, I hit something else when I was doing some other work - https://lore.kernel.org/all/3a25e7fd-84a7-49a6-92a3-96492fe5d2cc@arm.com/ > > Cheers, Lorenzo