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 4F89EC636D6 for ; Sat, 4 Feb 2023 23:13:30 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 7AC816B0072; Sat, 4 Feb 2023 18:13:29 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 75C246B0073; Sat, 4 Feb 2023 18:13:29 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 64A646B0074; Sat, 4 Feb 2023 18:13:29 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0012.hostedemail.com [216.40.44.12]) by kanga.kvack.org (Postfix) with ESMTP id 5662A6B0072 for ; Sat, 4 Feb 2023 18:13:29 -0500 (EST) Received: from smtpin18.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay05.hostedemail.com (Postfix) with ESMTP id 1031340548 for ; Sat, 4 Feb 2023 23:13:29 +0000 (UTC) X-FDA: 80431162938.18.BEF4960 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by imf05.hostedemail.com (Postfix) with ESMTP id 47989100004 for ; Sat, 4 Feb 2023 23:13:26 +0000 (UTC) Authentication-Results: imf05.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b=adEsh79g; dmarc=none; spf=pass (imf05.hostedemail.com: domain of akpm@linux-foundation.org designates 145.40.68.75 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=1675552406; 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=z0D7SXLDxc6sDruRz/0ouow68tZcDzanQFKT7cVcDEE=; b=TFRofqrvyJ0t4Pe8Q3D0aQcT1iJBn9UAeosXHGoQXTD0SKfdrUhfntWinjGn/2rfu2g9uY +b6R/bgJjDhEmKG2m+n1E2dVR1ypG09TMGeAIbbH3G8uME4flX4KPe05qJKSb8jdAPFbB7 O33a2GAhwiBp5bIF871F37EQZSg9cGI= ARC-Authentication-Results: i=1; imf05.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b=adEsh79g; dmarc=none; spf=pass (imf05.hostedemail.com: domain of akpm@linux-foundation.org designates 145.40.68.75 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1675552406; a=rsa-sha256; cv=none; b=joznnUZAqV5xtSdjnlcTb4hLR+o6MqwKc6Zav8NIFL5cb3ToWKa9hXN88R/UACYSSA/Khd MKe06jFvI4fxeY+qNb5y+SEFASnCj7evOEivGgjENjFQpu6hAGPsB08tbRAADNJ3qjhn+R Ry+uxx5le7lsfywcvLgqSqui1LeqCwM= Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 9D844B80AB5; Sat, 4 Feb 2023 23:13:24 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id EF640C433D2; Sat, 4 Feb 2023 23:13:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1675552403; bh=pBdB8hoQrwGnSH3X2xAtmORaPtQ7MV2YibXgEgK131A=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=adEsh79gNWOLUWfY+NTZmh/cmBptRH9/Fe5WwYJ/YByQB76RUoS3ecf/yTsZbgsSg +qwWGVA20W6zVX4TzfyMyp4W7W75XEn6VUZ+rI58PbwEX9oSR6+ltITNNSoiv5Ftwp Wpmjgh7FcNb6AKe2oFUDSWPJBfnObvYvECTabhWo= Date: Sat, 4 Feb 2023 15:13:22 -0800 From: Andrew Morton To: Baoquan He Cc: Stephen Brennan , linux-kernel@vger.kernel.org, linux-mm@kvack.org, urezki@gmail.com, lstoakes@gmail.com, willy@infradead.org, hch@infradead.org, error27@gmail.com Subject: Re: [PATCH v4 0/7] mm/vmalloc.c: allow vread() to read out vm_map_ram areas Message-Id: <20230204151322.7b3d10ea11c3f4ca0a93db23@linux-foundation.org> In-Reply-To: References: <20230201091339.61761-1-bhe@redhat.com> <87357o7yeh.fsf@oracle.com> X-Mailer: Sylpheed 3.7.0 (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-Rspam-User: X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 47989100004 X-Stat-Signature: 56cfremaybpwo117ngwqowjshf6tzm9f X-HE-Tag: 1675552406-378889 X-HE-Meta: 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 N2EhBIN/ EysONskSeVLSW2ORKu9p+0xBIMTTuSzr9Ny6vzILw0oLrTHJTaZ65S/fXnScsFvf8Ra64GTVFA84gAArFhrSjfMF1aoFoEIvpBm6tC/pQsZKKcZJJTYG45yxzzXUf4+/HA0+2LfclDwSYlTEJZjXHUWr+RBRK6dcujDO/8vZsJmauzu+dbsyPP5Ors1o7RxWc12yyzoQyFJ22Av7/uyIRztmRU+RIMQK5dhmDGby7+jotXNKqgT5DWnWr8uxY/dJPDKttv3Iz9eMJnjbz1/kGR/c5MskDXtTNG+IAeq2SguYRvq7OpsBwILEERTlCj3tkf+D9n4cKkjVta/yMkNtOm04PdNSBVmBfoAX2DObmh90UpFr8HMedHzr+iBoqBCcWnLNr4MncpAb5PUQPnIppbsUhRWx7DohBFIu8fmFfQCWEDDM4RoG49MF4Vg== 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: On Sat, 4 Feb 2023 12:12:08 +0800 Baoquan He wrote: > > So this definitely still resolves the originally reported issue. Feel > > free to add, if you want: > > > > Tested-by: Stephen Brennan > > I noticed Andrew had picked this v4 into his mm tree, maybe Andrew can > help add this Tested-by tag. I dropped this series and am now unable to locate a fix which addressed the issue which Stephen hit. Please send a v5?