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]) by smtp.lore.kernel.org (Postfix) with ESMTP id AE242C3DA64 for ; Wed, 31 Jul 2024 13:10:37 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 44A476B0089; Wed, 31 Jul 2024 09:10:37 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 3D24D6B0088; Wed, 31 Jul 2024 09:10:37 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 224EA6B0089; Wed, 31 Jul 2024 09:10:37 -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 F34E76B0085 for ; Wed, 31 Jul 2024 09:10:36 -0400 (EDT) Received: from smtpin28.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay06.hostedemail.com (Postfix) with ESMTP id A121AA4B02 for ; Wed, 31 Jul 2024 13:10:36 +0000 (UTC) X-FDA: 82400082072.28.DFE432F Received: from NAM12-DM6-obe.outbound.protection.outlook.com (mail-dm6nam12on2084.outbound.protection.outlook.com [40.107.243.84]) by imf05.hostedemail.com (Postfix) with ESMTP id 9A01F100030 for ; Wed, 31 Jul 2024 13:10:33 +0000 (UTC) Authentication-Results: imf05.hostedemail.com; dkim=pass header.d=Nvidia.com header.s=selector2 header.b=Pd8CATNM; spf=pass (imf05.hostedemail.com: domain of ziy@nvidia.com designates 40.107.243.84 as permitted sender) smtp.mailfrom=ziy@nvidia.com; dmarc=pass (policy=reject) header.from=nvidia.com; arc=pass ("microsoft.com:s=arcselector10001:i=1") ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1722431406; 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=dHpse3wwr0JJHOAScOqqt5FGpmMYLOG3oKIiBCY5GXk=; b=T5LENHtj8HHLS+J5IXSGmG5vDxxOujTBmjMW393g/Wc3j26LE9nBuOCUsj4seh6zgRRmhT zI5D5WgO/Z1A5nJDqUOMZCi0SjX1Mc+PdKGjVWexngAOzVX2dUx7QnaYMgxDGIrtP7XBIb JGczgiP+u37CyNcJNb6Yf3A7mNwR234= ARC-Authentication-Results: i=2; imf05.hostedemail.com; dkim=pass header.d=Nvidia.com header.s=selector2 header.b=Pd8CATNM; spf=pass (imf05.hostedemail.com: domain of ziy@nvidia.com designates 40.107.243.84 as permitted sender) smtp.mailfrom=ziy@nvidia.com; dmarc=pass (policy=reject) header.from=nvidia.com; arc=pass ("microsoft.com:s=arcselector10001:i=1") ARC-Seal: i=2; s=arc-20220608; d=hostedemail.com; t=1722431406; a=rsa-sha256; cv=pass; b=LoRuIRuk3AYCpo/rTTht5TIEfR4oBTxYe8vnoz/T9l1n1nIPAyOSINDToSfYgLPTyp4Sdg ScE/ewq854grdbV/2q8LptisETnxkjQE/M8RqPIKbztAGmaQQ63K608UhJjmSb2J1zrVXA oAKLDDmTZc4QoFYPju6zJyVM4DTXTps= ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=IUx6Ub3Yzio5+q9TeFJGGEP3X/g/QYPyG92YsVf8uGKhjGWwPBhm7uRNikCD4iDN6DtlMF6sGSUD/N7VcjNlm1ShCMQZ37FKlBWyDghwxXJhSvxoH+yJC2sLlM1mEN2nkq+53Tn2Azzsy0d9cbJxM/d2+ZJFHyqZIE/AacLJBzUHERzPKoPNyBBylrc6/k8evX3HbwwXyGHDLlq1RKa6DHkX6u9ESJpA5xk/JE752IONnTiQsJiLvgxB8JEAFzrsAYhbyK91RfEj2W2UG1zWT0eybE/CuYhd20UkeUgcyP5OkCX/AtIhGQA08k0PQgKsjgkVtzybfv1hPki6GGNSgg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=dHpse3wwr0JJHOAScOqqt5FGpmMYLOG3oKIiBCY5GXk=; b=hbbVcx3CWh9Ni6zif2t6ddeFM2Nu9FPFxoMnAqTdnQ/0/Hssga5iDNSAZg8S7rT6yO399BSFomV9nWyFfp1aI0tYu5VSPKneTreY4rat/I+cfc82hEoqY/24Wi6DaBV4l7KbiCB6k2EBrbQQHCj0NwKJZMunWAO8G62/GDAI6hiSfw6knatzddiSh/S9pioZTv/1fscD5b4ifbc3NAlSUPphPUAzu8tQTV5hYq9MpOxlnpfEXnW+0ayobxPzsBNCBB7lnQIj+4x7eJZ7nD18e+kRE+ND3tGVXuyN9oPZJ2wtPe1wVoSwkUnmsCkJ2oqpGqbDgL6xVakUAf0lwqS5BQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nvidia.com; dmarc=pass action=none header.from=nvidia.com; dkim=pass header.d=nvidia.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=Nvidia.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=dHpse3wwr0JJHOAScOqqt5FGpmMYLOG3oKIiBCY5GXk=; b=Pd8CATNMnlrTeslNp2UUr0b4iKBji0qZE27nBT8WBKhqqOme/I1naRFEoT3HwH6wJFTZbS8KmHn3Wv45WRLsfTFf3BAFcQkm3Z8L/scSg8abCx/Nnvc8ysjVivpIl/uuK1fua/DD3yoGy5K0I5yMM+jhdLahv4mtATO0vhQlXbzbhp/IWbtsjIjXz+MTTRWYbgTZSfvzruQaEXuUQQ7wFc54li3qmacJ+GWyId7g1aK9UNa4Rp3vkBc5FaII+vt29f5+EVgI8zeXHDo5Gejk1DGwO2RQaFlZCu8WYzGzvGp6/XNNsU0eMLiXlLLvlqphZ9GIOhJourbZ9Fg8GFdI6Q== Received: from DS7PR12MB5744.namprd12.prod.outlook.com (2603:10b6:8:73::18) by PH8PR12MB7424.namprd12.prod.outlook.com (2603:10b6:510:228::14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7807.27; Wed, 31 Jul 2024 13:09:27 +0000 Received: from DS7PR12MB5744.namprd12.prod.outlook.com ([fe80::f018:13a9:e165:6b7e]) by DS7PR12MB5744.namprd12.prod.outlook.com ([fe80::f018:13a9:e165:6b7e%4]) with mapi id 15.20.7807.026; Wed, 31 Jul 2024 13:09:26 +0000 From: Zi Yan To: Baolin Wang Cc: akpm@linux-foundation.org, hughd@google.com, willy@infradead.org, david@redhat.com, 21cnbao@gmail.com, ryan.roberts@arm.com, gshan@redhat.com, ioworker0@gmail.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/2] mm: shmem: avoid allocating huge pages larger than MAX_PAGECACHE_ORDER for shmem Date: Wed, 31 Jul 2024 09:09:24 -0400 X-Mailer: MailMate (1.14r6052) Message-ID: <2CE85059-2FB8-4DDA-8CFC-6ADEC55AFD45@nvidia.com> In-Reply-To: <117121665254442c3c7f585248296495e5e2b45c.1722404078.git.baolin.wang@linux.alibaba.com> References: <117121665254442c3c7f585248296495e5e2b45c.1722404078.git.baolin.wang@linux.alibaba.com> Content-Type: multipart/signed; boundary="=_MailMate_81D74342-C21F-41CA-A10B-31F17C85D69A_="; micalg=pgp-sha512; protocol="application/pgp-signature" X-ClientProxiedBy: CH2PR10CA0029.namprd10.prod.outlook.com (2603:10b6:610:4c::39) To DS7PR12MB5744.namprd12.prod.outlook.com (2603:10b6:8:73::18) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS7PR12MB5744:EE_|PH8PR12MB7424:EE_ X-MS-Office365-Filtering-Correlation-Id: e28159d7-409a-41f2-d2b3-08dcb162015f X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|7416014|376014|1800799024|366016; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?YgSM9jIDiwPJTReoxAKjiCoSYjz6nbrnWpagOejxZsnLEh+VUTk7vtS/8irU?= =?us-ascii?Q?qD0fy9ZVv4Oq61H4BPZkmurGI05z7ZWyrVy13AYFIuna4nHIgwJizhgWYXdP?= =?us-ascii?Q?UygTZ+N+pAW9/5KwHFa3NqDeWYA0JOniIx+QK6/ASsnk926bXAXIWRBPd0lm?= =?us-ascii?Q?vFXVkRqjSQSDgbuNt/uyhks/vNeXuMBYN5hFJdweZed+3Sp80vSzjk6lCibd?= =?us-ascii?Q?tLhS+xJRaX9EVjVRDP54QQuzm8u6j3i1UHci8Z1V2BbyveJxiCgXEm77e0tZ?= =?us-ascii?Q?8YYok/MjRw+t9h1wlI3BZ/QgAaJrQZlMaQXOmA0/Glcrf/kUuOFw3EQ+1pnE?= =?us-ascii?Q?LE8Gp+lAR2xWKWwyHMSdYTmzPnN96VmcYFtVWp2zLhG1a7W5oATXVaQRTHv1?= =?us-ascii?Q?54UzcCqq/o3biXgSE8W+J3ZzlympUiF1Q7QiJZrRxkjW7IW0FJq7lHjcOWP+?= =?us-ascii?Q?I3W34PEAf+xTqW9VjBqmvknKUfhMJnqQHMMa4SJ6seMhGB4s4eN4YLPeF7Uh?= =?us-ascii?Q?lkH5dxgbIW/F6IguYnFBlXP0ZWTU7yVN6gzSONua+Mpk8k3V84zT8fZZDBHs?= =?us-ascii?Q?QKhdr5xw1tCoxwaAYmfjdtWik578DPdvA0xPcWDpdOI37XjeUzSTibQ9TXXJ?= =?us-ascii?Q?gmCbWAf43Fzmy5Zef+tqCIp24VIFDBa63VN/Ieocn5QP32pNfbl9eZ+KY+qc?= =?us-ascii?Q?MfzOtclzxeyF3gD2ObxDpGnqi3YqoqoazTQc/F4sIJrkK4k8A3fV2zQF9Ftl?= =?us-ascii?Q?sfk0FnE6aSNI10utiQyjuVeJ/Rb4UwSQObhOD5WMH2j8kfiyfdyAUWOlG1iM?= =?us-ascii?Q?Jca8UNXVklQHtVz4KhPHZCCQ5IwbApm1G768omyRSXVrNLZ+Tsdf7cDd4PN/?= =?us-ascii?Q?VU0SJFBPW+GsXY4G+haZg+ND3dYcShx6F08uHm+A3n9tFJexcNyxamGx+A7I?= =?us-ascii?Q?yuFpm4isgoohuY79FRn1xVdEHyfilCEYFvUJGgXPVUif0SZ/VNfk2+FnpyGJ?= =?us-ascii?Q?Xfdn0MUrAAJDdSDckXWBUUrzHrSpwosr5DxDG+kraq4+wbR+Sg8NwkVuewtI?= =?us-ascii?Q?sXoeXh4jtKmbyc+jiYg5i9eWdzR6l9iejayYxOeCNqxuSCpG5w/VrLJaBcbD?= =?us-ascii?Q?06o3YtXRXSXUVYcmC1NCL00p5iM6ei3zvPm/obaBxbtwb3NG/eJOzt+Z4HnT?= =?us-ascii?Q?nYHgDDKbQ5gP08EXWsiIZPm9e0o5xyQjb0JVmnIo41sn8wFduPkM4YT5bjwI?= =?us-ascii?Q?bEO3wQCrH3mgxjkKm8HY2h1dSLweTikA+vrE3YSndUkzECyQ1iagW6GgIL6O?= =?us-ascii?Q?SFYz8vD8eZ5ZGPKAK/qnqRELUYZB5ukrS/ysXT0b780gzw=3D=3D?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:DS7PR12MB5744.namprd12.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(7416014)(376014)(1800799024)(366016);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?JRav9PLRk3WpamhicvGQH8fkajuqLT5ZkJle4g+rcDHxkdgoZXIduw1QjlfW?= =?us-ascii?Q?6jpjCmCv8Hi6XmIg8uLU6bmibwmB3YfAfboVtk+fH/sqg5RtimmmLqBCdymN?= =?us-ascii?Q?fECzKRpO8sQ7MCA/+MALp+g1hT/Iw60VQHxL7l6e31naAc+BGP1uas8NPLgM?= =?us-ascii?Q?m5JhGcBmJsAfS9LRYnbuEwk3n6ZYoW4y7i5t6dEahtySJNb+vTHsx73cSG5S?= =?us-ascii?Q?HTVQsn/PSL8CFfUnw4vCiCrEAYPEY9LB1NCQ03HvyX12imUkeftTWJhf9jLV?= =?us-ascii?Q?KU19k7bubh44dW7HcEoktbOVt6sq22UY7siMO2cYgxCZw5ZZtiKui4wHz2Wd?= =?us-ascii?Q?swqK9H7PN9ZSBJ9ZxtakDT3tyOXFTbjwip+ZX0/KLrB0yu6zKRoBiHuaFUrO?= =?us-ascii?Q?uObfkRM3cgngaYWEPgB5ImEQ7HEBKQMPyILsPkpGFevmqaVXWETUFUaiA/px?= =?us-ascii?Q?Kmx2ytpePmbcncZ+UyycEk6rCFNYmOFLraATTh+Y+FuFp4leyvvMe/ZFzTbR?= =?us-ascii?Q?fJYL47aI0iysIGhulixmmoKhyiioPPv+qvbTfd+YJGzLg2Z4kMzgxFSzm+Ee?= =?us-ascii?Q?2+ieRa3GxW8fVY2Iduo8vp9NWBZd1QRBsmyTZmxb6nK18VkXzjyCAwZDd+xW?= =?us-ascii?Q?eHJHxIc2yLidkeE7Hd6vMF0ZeFDL2P2Y5YVt2UmRBgdiJM1lIUfJms3aMgyL?= =?us-ascii?Q?/ChYiQzqGrmbolQuT/fRjJXC+qUKAZfrJzoYu9i7cFlFr75vBLoE0bHTE1zU?= =?us-ascii?Q?YAdsDkq71HyyEcnajgFCVzLiG2AILdvzCwEtPxtp2XkrtBLNPd04NbwQNEJc?= =?us-ascii?Q?+mFjgQuJA7MihkBLlBta4Ym8IIh/vi+akbkiubMnVFMFQ/NPu7Es5NBbWbZp?= =?us-ascii?Q?xiOzLAcuxal0PBb1/nbcUQPUu7myT/LRADDmxBs/DdhIZS9MLvxJmbY/N1E4?= =?us-ascii?Q?LOurKH+/pTW6ONTgMFe/j3LtSUC8+y6fMntLqw6oW1D1cIU5u+m2uRQpU2r9?= =?us-ascii?Q?dC45kMy7/siUE+RpNP5hFNvO8lbgFBPBRxRNdAlQWzR6lVFErRK5OIVy/zQ3?= =?us-ascii?Q?tBzH3pLqStiwGaWwWmRjSudcjcX/NAIr0BSpqH7mx4rvI7Xe292sKhUSOxGc?= =?us-ascii?Q?PCAIgt6OPCvwtfKBEYA3wU9/DKhc9soTCH6xDltrKyK4rrYsiMjeNQMgXlZj?= =?us-ascii?Q?C4eyna3n9IV+/E4dmPtdqNl5hMOQ8cLm1w1ECcrIn3fuXnsp2OhkxAJYOzGB?= =?us-ascii?Q?VKzyZy184TPeeHUeHAPuhl/c/3qVlrURMDOsbjiNLmzjP0Z4oPEdmuZE5c2w?= =?us-ascii?Q?L4qtVY+g79FHz7+BtsH9jLfp/xHyEfbEXaQPaAF9DVB/cs/jyDLzy65Tv2ac?= =?us-ascii?Q?A9qspD+kuxz+7O206cpveG0zZzikjRbBpmJ5mS61oiC40emeJxJyJD+m48Cc?= =?us-ascii?Q?VjmQFbq4g+inC7FlyGWYZ5QJXL5nopM1F7ZJJkTtgQD7Pp29mIl85fJok3J7?= =?us-ascii?Q?0zk/gC6GYUOOBklILpL5TG7S3fn0eo9rQ47ZicIHbQySIVE8p5Ica28Ic1FB?= =?us-ascii?Q?RM0TamCSOGLVMDXk4hvT4IYBqtKExBAqdXeh5UBs?= X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: e28159d7-409a-41f2-d2b3-08dcb162015f X-MS-Exchange-CrossTenant-AuthSource: DS7PR12MB5744.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 31 Jul 2024 13:09:26.9032 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: aqPGdIAbrRFX4mbeUi1Oc5Lo1sqn8wp3QP7ivrxyzPFP9eUpZqfKE7TLxTXDM//8 X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH8PR12MB7424 X-Rspamd-Server: rspam03 X-Rspam-User: X-Rspamd-Queue-Id: 9A01F100030 X-Stat-Signature: fp1afwa9qy7xxbarjdg3juinnwcknzyg X-HE-Tag: 1722431433-777542 X-HE-Meta: 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 oP5QroqB 3PJWjyqbftoWSYpNSqLw03Mr152vjNyO1X4RKbpRmjdzAqr44Mik1rfxv7Xo8gXi+9R34NKyPcFwpjg1YvLsguVWRgBkcz1NHbYyKkf2SgTk5Z0DHRbD5lUDChdXN7GMakHBU2cnpwtZ/vsQQylCIfOadBeOaQQ9ww1mIvR/aXmXXjsi049EOIH0rc+r3/kyL8gH7nM8Pr8Fc+jQ2TQ3xZNt0u8MmIITlBXUgIsC+q3zI+Q6gedKPwZAJc4X9v3cZNMfYW6LA1UHcWGKAsrP9h6SSDc/cZnxV2o5/bCFcrAtZ/DwRaxuHYo81JP0ilkISg6+YSaOBdW/N8in4iH1HzLtJ2R+NwCKFlIrrOPCxBpWMMl9n3zF5+OwpdXAm59tL8g5V5CVF8gC96EJNrQDQE8uNwFExBB8bZ/B3EGZOQBIo0z0MAEmq53QVGA== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: --=_MailMate_81D74342-C21F-41CA-A10B-31F17C85D69A_= Content-Type: text/plain On 31 Jul 2024, at 1:46, Baolin Wang wrote: > Similar to commit d659b715e94ac ("mm/huge_memory: avoid PMD-size page cache > if needed"), ARM64 can support 512MB PMD-sized THP when the base page size is > 64KB, which is larger than the maximum supported page cache size MAX_PAGECACHE_ORDER. > This is not expected. To fix this issue, use THP_ORDERS_ALL_FILE_DEFAULT for > shmem to filter allowable huge orders. > > Fixes: e7a2ab7b3bb5 ("mm: shmem: add mTHP support for anonymous shmem") > Signed-off-by: Baolin Wang > --- > mm/shmem.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/mm/shmem.c b/mm/shmem.c > index 2faa9daaf54b..a4332a97558c 100644 > --- a/mm/shmem.c > +++ b/mm/shmem.c > @@ -1630,10 +1630,10 @@ unsigned long shmem_allowable_huge_orders(struct inode *inode, > unsigned long within_size_orders = READ_ONCE(huge_shmem_orders_within_size); > unsigned long vm_flags = vma->vm_flags; > /* > - * Check all the (large) orders below HPAGE_PMD_ORDER + 1 that > + * Check all the (large) orders below MAX_PAGECACHE_ORDER + 1 that > * are enabled for this vma. > */ > - unsigned long orders = BIT(PMD_ORDER + 1) - 1; > + unsigned long orders = THP_ORDERS_ALL_FILE_DEFAULT; > loff_t i_size; > int order; Acked-by: Zi Yan Best Regards, Yan, Zi --=_MailMate_81D74342-C21F-41CA-A10B-31F17C85D69A_= Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename=signature.asc Content-Type: application/pgp-signature; name=signature.asc -----BEGIN PGP SIGNATURE----- iQJDBAEBCgAtFiEEh7yFAW3gwjwQ4C9anbJR82th+ooFAmaqN4QPHHppeUBudmlk aWEuY29tAAoJEJ2yUfNrYfqK/68QAI4bZHhdaj70vkXq5+MxnXoffpl7M9Vzebb3 3oMt5dcTPRbCJaLjWOxvNaWAfAJXjOA7wY+IjyedOfgnbYYT9/5PGQ3sqK2znNaw rknXilp9690fInX/fLH7Bsc6PCjlVt83lisOA/v4UuPfkysBV7+/yqwk1mMuOg3P gdQrkeuuhtBd5z4HbejLdZ1kJD0qV19LNv4/yB1c+uUmM1GwHixVXOPrwXnf4v+G XyKHyOJaHwG0Vm8zUpsceiH+qPE+rY99qhfPxU03eJJrH+1mSN8qMeYe84GkvubU X5Fu5EfCJ92g3sA2TNp/DubEFUPRUSbV1tahSQsDrHwELjVbLpRUn4p2/zBuMcKS i9ig6Nmzi2/CuBaThXi7uCmug1y+zTT5Va+vixH02IbxAMWEhF6WV0AW+22gni6Y sIqrI4I3ImtzhFn+Q8yvcbyPSKm4kSXwVpBLW+AO9jK+nnempBLDqhpG1B4LatuG fYNt+vX4XrO0BIYGMGx9xtBWxi8CqKWHLBuqD+o6uvuTD6MOGHyyTbSoeJB0x4do fKP+V6Q/kDYKx0WjVXeOhTV5UewG5JVFd6waftHtuXz9IFYoZ1oqr1rb3PSgsOoj gkizjz/w0MuV+EHrJhcXheNr+GANCwEcFs/kQE3JlN6mqWlU2o3fzGl4ihk2zW63 ynkemE/2 =GBe3 -----END PGP SIGNATURE----- --=_MailMate_81D74342-C21F-41CA-A10B-31F17C85D69A_=--