From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ig0-f173.google.com (mail-ig0-f173.google.com [209.85.213.173]) by kanga.kvack.org (Postfix) with ESMTP id E2F8A6B0253 for ; Tue, 24 Nov 2015 21:53:21 -0500 (EST) Received: by igbxm8 with SMTP id xm8so28896224igb.1 for ; Tue, 24 Nov 2015 18:53:21 -0800 (PST) Received: from lgeamrelo12.lge.com (LGEAMRELO12.lge.com. [156.147.23.52]) by mx.google.com with ESMTPS id c16si2479897igo.99.2015.11.24.18.53.20 for (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 24 Nov 2015 18:53:21 -0800 (PST) Date: Wed, 25 Nov 2015 11:53:18 +0900 From: Minchan Kim Subject: Re: [PATCH v4 00/16] MADV_FREE support Message-ID: <20151125025318.GA2678@bbox> References: <1448006568-16031-1-git-send-email-minchan@kernel.org> <20151124135851.bd50e261e30ed4e178baaef9@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20151124135851.bd50e261e30ed4e178baaef9@linux-foundation.org> Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Morton Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, Michael Kerrisk , linux-api@vger.kernel.org, Hugh Dickins , Johannes Weiner , Rik van Riel , Mel Gorman , KOSAKI Motohiro , Jason Evans , Daniel Micay , "Kirill A. Shutemov" , Shaohua Li , Michal Hocko , yalin.wang2010@gmail.com, Andy Lutomirski Hi Andrew, On Tue, Nov 24, 2015 at 01:58:51PM -0800, Andrew Morton wrote: > On Fri, 20 Nov 2015 17:02:32 +0900 Minchan Kim wrote: > > > I have been spent a lot of time to land MADV_FREE feature > > by request of userland people(esp, Daniel and Jason, jemalloc guys. > > A couple of things... > > There's a massive and complex reject storm against Kirill's page-flags > and thp changes. The problems in hugetlb.c are more than I can > reasonably fix up, sorry. How would you feel about redoing the patches > against next -mm? No problem at all. > > Secondly, "mm: introduce lazyfree LRU list" and "mm: support MADV_FREE > on swapless system" are new, and require significant reviewer > attention. But there's so much other stuff flying around that I doubt > if we'll get effective review. So perhaps it would be best to shelve > those new things and introduce them later, after the basic old > MADV_FREE work has settled in? > That's really what we(Daniel, Michael and me) want so far. A people who is reluctant to it is Johannes who wanted to support MADV_FREE on swapless system via new LRU from the beginning. If Johannes is not strong against Andrew's plan, I will resend new patchset(ie, not including new stuff) based on next -mmotm. Hannes? -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org