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Mon, 06 Feb 2023 03:43:26 -0500 X-MC-Unique: e3ObXPXeMj-ioAFB_NIF7g-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.rdu2.redhat.com [10.11.54.2]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 9888F18A63EC; Mon, 6 Feb 2023 08:43:25 +0000 (UTC) Received: from localhost (ovpn-12-71.pek2.redhat.com [10.72.12.71]) by smtp.corp.redhat.com (Postfix) with ESMTPS id C2E3B40398A0; Mon, 6 Feb 2023 08:43:24 +0000 (UTC) Date: Mon, 6 Feb 2023 16:43:21 +0800 From: Baoquan He To: Andrew Morton 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: References: <20230201091339.61761-1-bhe@redhat.com> <87357o7yeh.fsf@oracle.com> <20230204151322.7b3d10ea11c3f4ca0a93db23@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230204151322.7b3d10ea11c3f4ca0a93db23@linux-foundation.org> X-Scanned-By: MIMEDefang 3.1 on 10.11.54.2 X-Stat-Signature: hc1149cbnr3k5qyazmu4knghctucaptg X-Rspam-User: X-Rspamd-Queue-Id: E63E21A000F X-Rspamd-Server: rspam06 X-HE-Tag: 1675673009-235261 X-HE-Meta: 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 KuyA5TPr 7telJzFppPnxKKRQHcjPHRITdVKWgxKoZMilAicjwggWuE7jiTisfTY/nE7yBxAm4x8w2mvaVc84DFldUUurDC/dazliVMBK1n2CEqrLR0VtI8g+qt05GjJTX0hwfmm8XDjQiiv1Et2qYGyzdE7If8k9Nz9JpyRet2YE9k1em/zohEH2AZ0Wd37t7pKytUgyNgxt+TIkzmCK1/SDJW6XlU0YhWraog8fQGXlqrM+c5h9DQSgXpimrONDE+9V9l1+qEg5q6wjia0K6ybs0axI8R/G9IacyaD39BOrDD2TZfptsW77tq2Zh9/zZIg== 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 02/04/23 at 03:13pm, Andrew Morton wrote: > 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. Stephen wanted to read out vm_map_ram areas, that can't be done w/o this patchset. The patch 3 solves his problem. > > Please send a v5? I add Stephen's Reported-by and Tested-by in patch 3 and send v5.