From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.14]) (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 668E9145B26; Thu, 8 Aug 2024 22:34:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.14 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723156464; cv=none; b=qNVj3m+cL4laXkfttV/gRWUUW3aZkcifALZ9FSoW0qXX1k3AO0BpwR+Z0VI0uQl1Ax3arWZ/mbljeXbBd3hsZMeFO6/2IIpZ4QpWFQPn6TXwpB1sRPimqI8BXx1B/km8jWcdJF6NoFrsjZTULWPs2egvu7b4KspGQtIrLY/7ND4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723156464; c=relaxed/simple; bh=znbP3E4POuVVVteKuIf7uaDYN7cAmafFUtFsWNHbrXs=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=ow0cf+9vn4jlRdbLQsL8v86bJrUT/WaE/5nwD+u0NGWnTdUiUr4tUZXSSM38wzjq8txtYycSFLOG55N8VyhuniyfnqwaWtNlaNCUcVP3soc3ws1FQ+j8HiJ3GQ+V0AyVpCMKcv5P8fywrxO3wPqj6u9lkk/luAWNJarlmHBuc18= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=ahpkik/b; arc=none smtp.client-ip=198.175.65.14 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="ahpkik/b" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1723156463; x=1754692463; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=znbP3E4POuVVVteKuIf7uaDYN7cAmafFUtFsWNHbrXs=; b=ahpkik/bqjDDsANQ2RxK+s6mvJILKdU4IZeS3jnY8NTBV2c6dlPYbt1Z bfeRg0j+6754UoFrFdEo9WPmoe9jGl0FToT2zgKDXnbXp/cY/vcS84Lqa 4TNJCdPjY9xGdmqdP3EqxWGrmf0RkquujOLtMyDdMRzQRna8/jgaZ9CyB huM+v2ewEF+HiYNf+f1JKCruUanfi12dPWumPw9QSc6Ryj10+7lqAzRZe dLzOv2V5qaey0WoS0tx20vFyVv2ZX4TDyN2UhlzL9A4FMvrU4unSK7wUF YGCR9pZiWP9+5rGulnQ87sRcI6k9Z0ZR+CeWdOABJ5SnO2YGco19EnbTf Q==; X-CSE-ConnectionGUID: Is56jYQCRZ2MuWz2iWc/5A== X-CSE-MsgGUID: OwCxZVNiQ6im2le4OLp2bQ== X-IronPort-AV: E=McAfee;i="6700,10204,11158"; a="25109826" X-IronPort-AV: E=Sophos;i="6.09,274,1716274800"; d="scan'208";a="25109826" Received: from fmviesa010.fm.intel.com ([10.60.135.150]) by orvoesa106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Aug 2024 15:34:21 -0700 X-CSE-ConnectionGUID: CNri6GbxT2+sV6U071cSAg== X-CSE-MsgGUID: 932OEs2oQa2vnjn6HMTZTw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.09,274,1716274800"; d="scan'208";a="57443540" Received: from aschofie-mobl2.amr.corp.intel.com (HELO aschofie-mobl2) ([10.209.12.215]) by fmviesa010-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Aug 2024 15:34:19 -0700 Date: Thu, 8 Aug 2024 15:34:17 -0700 From: Alison Schofield To: Pasha Tatashin Cc: akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-cxl@vger.kernel.org, cerasuolodomenico@gmail.com, hannes@cmpxchg.org, j.granados@samsung.com, lizhijian@fujitsu.com, muchun.song@linux.dev, nphamcs@gmail.com, rientjes@google.com, rppt@kernel.org, souravpanda@google.com, vbabka@suse.cz, willy@infradead.org, dan.j.williams@intel.com, yi.zhang@redhat.com, david@redhat.com, yosryahmed@google.com Subject: Re: [PATCH v4 0/3] Fixes for memmap accounting Message-ID: References: <20240808213437.682006-1-pasha.tatashin@soleen.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240808213437.682006-1-pasha.tatashin@soleen.com> On Thu, Aug 08, 2024 at 09:34:33PM +0000, Pasha Tatashin wrote: > Memmap accounting provides us with observability of how much memory is > used for per-page metadata: i.e. "struct page"'s and "struct page_ext". > It also provides with information of how much was allocated using > boot allocator (i.e. not part of MemTotal), and how much was allocated > using buddy allocated (i.e. part of MemTotal). > > This small series fixes a few problems that were discovered with the > original patch. Thanks Pasha! These fixups unblock the unit tests for dax, nvdimm, cxl. Tested-by: Alison Schofield snip >