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Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: References: <166869687556.3723671.10061142538708346995.stgit@warthog.procyon.org.uk> <166869689451.3723671.18242195992447653092.stgit@warthog.procyon.org.uk> To: Christoph Hellwig Cc: dhowells@redhat.com, Al Viro , Christoph Hellwig , John Hubbard , Matthew Wilcox , linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, Jeff Layton , linux-kernel@vger.kernel.org Subject: Re: [RFC PATCH 2/4] iov_iter: Add a function to extract a page list from an iterator MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <824668.1669124217.1@warthog.procyon.org.uk> Date: Tue, 22 Nov 2022 13:36:57 +0000 Message-ID: <824669.1669124217@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 3.1 on 10.11.54.1 ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1669124231; a=rsa-sha256; cv=none; b=0wXcOsMg2+AP6sry/mPg46p5kiSC5IlwzuzAMhQStIFhxEp5CtvzyVVV5MgyPHfskZNhLZ yQQDKy+o1gjlfEVi445f/yulRry3a1wl2VPg91D4wHboLNxUzVZ0HG8MfNee7Oy9WMQjRY cNYuyf76pqOLkzkPgSAfajTDKXktHJo= ARC-Authentication-Results: i=1; imf24.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=N782LKaC; dmarc=pass (policy=none) header.from=redhat.com; spf=pass (imf24.hostedemail.com: domain of dhowells@redhat.com designates 170.10.133.124 as permitted sender) smtp.mailfrom=dhowells@redhat.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1669124231; 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=1dWvNrreQ//p1hYgd4mqv1o3a3/SDy+15g4X7BGwYuE=; b=Jw2IcgW8VeMhg2I1LRE8xHfibAA23LYteXpogkNKX6DCBCwGu0sSVVq+AHjm/E1qWzzC6G +T5F2yd0xQtmDXmmbVO/Liu18r9YPXsQnUXgxENQtjeotKUmua3MC99kz7U8N6UXOVcn6F sCzqzWjmXyzufUeHbpUCe+loIIaNAv8= Authentication-Results: imf24.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=N782LKaC; dmarc=pass (policy=none) header.from=redhat.com; spf=pass (imf24.hostedemail.com: domain of dhowells@redhat.com designates 170.10.133.124 as permitted sender) smtp.mailfrom=dhowells@redhat.com X-Stat-Signature: npjyd811n8pdi8ms1uykbkyabfxdutyc X-Rspamd-Queue-Id: 53D9B18000E X-Rspam-User: X-Rspamd-Server: rspam11 X-HE-Tag: 1669124230-248619 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: Christoph Hellwig wrote: > > +EXPORT_SYMBOL(iov_iter_extract_pages); > > get_user_pages_fast, pin_user_pages_fast are very intentionally > EXPORT_SYMBOL_GPL, which should not be bypassed by an iov_* wrapper. Ah, but I'm intending to replace: EXPORT_SYMBOL(iov_iter_get_pages2); EXPORT_SYMBOL(iov_iter_get_pages_alloc2); which *aren't* marked _GPL, so you need to argue that one with Al. David