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=-1.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS autolearn=ham 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 34FD6C43381 for ; Wed, 6 Mar 2019 22:35:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EAAED20663 for ; Wed, 6 Mar 2019 22:35:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1551911752; bh=MnrUjp1HaAv2scXKkmLjwNBR4KrlvQyZ8hyFOJXhyGE=; h=Date:From:To:Cc:Subject:In-Reply-To:References:List-ID:From; b=arLjna4Tefzrk8qDJTejP0KSzD4Yy9boyFmDyNdyZeVGbWPzrYxQJg8twqqA7y3Ee DWtL5yvC2Jn63Btq19eNUeVoHSMdlFTMS5+Qg8cSxt2et7L3em5hRg2Xn41uMtj664 HdH/dTU/xi6qNtVtosj+pabsUsQ2yd/SHm6GG9Wk= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726195AbfCFWfu (ORCPT ); Wed, 6 Mar 2019 17:35:50 -0500 Received: from mail.linuxfoundation.org ([140.211.169.12]:58646 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725793AbfCFWfu (ORCPT ); Wed, 6 Mar 2019 17:35:50 -0500 Received: from akpm3.svl.corp.google.com (unknown [104.133.8.65]) by mail.linuxfoundation.org (Postfix) with ESMTPSA id AA70B5975; Wed, 6 Mar 2019 22:35:48 +0000 (UTC) Date: Wed, 6 Mar 2019 14:35:47 -0800 From: Andrew Morton To: Jiri Kosina Cc: Vlastimil Babka , Linus Torvalds , linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-api@vger.kernel.org, Peter Zijlstra , Greg KH , Jann Horn , Andy Lutomirski , Cyril Hrubis , Daniel Gruss , Dave Chinner , Dominique Martinet , Kevin Easton , "Kirill A. Shutemov" , Matthew Wilcox , Tejun Heo Subject: Re: [PATCH 0/3] mincore() and IOCB_NOWAIT adjustments Message-Id: <20190306143547.c686225447822beaf3b6e139@linux-foundation.org> In-Reply-To: References: <20190130124420.1834-1-vbabka@suse.cz> X-Mailer: Sylpheed 3.6.0 (GTK+ 2.24.31; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 6 Mar 2019 13:11:39 +0100 (CET) Jiri Kosina wrote: > On Wed, 30 Jan 2019, Vlastimil Babka wrote: > > > I've collected the patches from the discussion for formal posting. The first > > two should be settled already, third one is the possible improvement I've > > mentioned earlier, where only in restricted case we resort to existence of page > > table mapping (the original and later reverted approach from Linus) instead of > > faking the result completely. Review and testing welcome. > > > > The consensus seems to be going through -mm tree for 5.1, unless Linus wants > > them alredy for 5.0. > > > > Jiri Kosina (2): > > mm/mincore: make mincore() more conservative > > mm/filemap: initiate readahead even if IOCB_NOWAIT is set for the I/O > > > > Vlastimil Babka (1): > > mm/mincore: provide mapped status when cached status is not allowed > > Andrew, > > could you please take at least the correct and straightforward fix for > mincore() before we figure out how to deal with the slightly less > practical RWF_NOWAIT? Thanks. I assume we're talking about [1/3] and [2/3] from this thread? Can we have a resend please? Gather the various acks and revisions, make changelog changes to address the review questions and comments? Thanks.