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 X-Spam-Level: X-Spam-Status: No, score=-0.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 91EDFC54FCB for ; Thu, 23 Apr 2020 15:14:17 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 541B0206EC for ; Thu, 23 Apr 2020 15:14:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="hVrM1hgx" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 541B0206EC Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id DA34D8E0006; Thu, 23 Apr 2020 11:14:16 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id D54DC8E0003; Thu, 23 Apr 2020 11:14:16 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id C421A8E0006; Thu, 23 Apr 2020 11:14:16 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0024.hostedemail.com [216.40.44.24]) by kanga.kvack.org (Postfix) with ESMTP id AB4638E0003 for ; Thu, 23 Apr 2020 11:14:16 -0400 (EDT) Received: from smtpin03.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 626F3180AD811 for ; Thu, 23 Apr 2020 15:14:16 +0000 (UTC) X-FDA: 76739465712.03.kiss99_7c8e69b4c403d X-HE-Tag: kiss99_7c8e69b4c403d X-Filterd-Recvd-Size: 2635 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) by imf32.hostedemail.com (Postfix) with ESMTP for ; Thu, 23 Apr 2020 15:14:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=kM3j6YY/YKMU719ZwGJht6WuJU82Z61OqQTxAdV4c10=; b=hVrM1hgxljhgHwRl7btgGZ2g41 jYkGxdWlUtLCmGbILf5HSnIY1MwBZl2Q/rwL+YyS54Jr850X8hso0T/DBItBW+NTSqJu9atY4b5wM 02WKz1v2ktvOFFd4JpspOA/RQBlDczD3QPfBJ8whDmQQKG1CBcXFbnh/zkKD6SsTBPoDixPW97T8m 6g5zFY/wFryJf0L0Gcgsyq5i3K6VBk1TdlRCYbu0HNflmi//rdx1MxTXXOnMlC06KGmTXuH+x55Ai COXxzTnlrZClzY2Q6M1pBvC4hYOeq4eUDPHABRJUvAiGxsMDPzeIYtslYI9GG8cKqkD1a8iGvaCOd 5/oHl2CQ==; Received: from willy by bombadil.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1jRdYI-0007bU-HR; Thu, 23 Apr 2020 15:14:10 +0000 Date: Thu, 23 Apr 2020 08:14:10 -0700 From: Matthew Wilcox To: Minchan Kim Cc: Andrew Morton , linux-mm , Jens Axboe , Jann Horn , David Rientjes , Arjun Roy , Tim Murray , Daniel Colascione , Sonny Rao , Brian Geffon , Shakeel Butt , John Dias , Joel Fernandes , SeongJae Park , Oleksandr Natalenko , Suren Baghdasaryan , Sandeep Patil , Michal Hocko , Johannes Weiner , Vlastimil Babka , linux-man@vger.kernel.org Subject: Re: [PATCH 2/2] mm: support vector address ranges for process_madvise Message-ID: <20200423151410.GC13910@bombadil.infradead.org> References: <20200423145215.72666-1-minchan@kernel.org> <20200423145215.72666-2-minchan@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200423145215.72666-2-minchan@kernel.org> 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 Thu, Apr 23, 2020 at 07:52:15AM -0700, Minchan Kim wrote: > +SYSCALL_DEFINE6(process_madvise, int, which, pid_t, upid, > + const struct iovec __user *, vec, unsigned long, vlen, > + int, behavior, unsigned long, flags) > +{ Don't we now need a compat version of this that calls compat_import_iovec()?