From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pg1-f200.google.com (mail-pg1-f200.google.com [209.85.215.200]) by kanga.kvack.org (Postfix) with ESMTP id 13E3B8E0038 for ; Mon, 7 Jan 2019 18:43:57 -0500 (EST) Received: by mail-pg1-f200.google.com with SMTP id u17so971584pgn.17 for ; Mon, 07 Jan 2019 15:43:57 -0800 (PST) Received: from mail.linuxfoundation.org (mail.linuxfoundation.org. [140.211.169.12]) by mx.google.com with ESMTPS id f10si6971089pgo.356.2019.01.07.15.43.55 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 07 Jan 2019 15:43:56 -0800 (PST) Date: Mon, 7 Jan 2019 15:43:54 -0800 From: Andrew Morton Subject: Re: [PATCH 00/25] Increase success rates and reduce latency of compaction v2 Message-Id: <20190107154354.b0805ca15767fc7ea9e37545@linux-foundation.org> In-Reply-To: <20190104125011.16071-1-mgorman@techsingularity.net> References: <20190104125011.16071-1-mgorman@techsingularity.net> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Mel Gorman Cc: Linux-MM , David Rientjes , Andrea Arcangeli , Vlastimil Babka , ying.huang@intel.com, kirill@shutemov.name, Linux List Kernel Mailing On Fri, 4 Jan 2019 12:49:46 +0000 Mel Gorman wrote: > This series reduces scan rates and success rates of compaction, primarily > by using the free lists to shorten scans, better controlling of skip > information and whether multiple scanners can target the same block and > capturing pageblocks before being stolen by parallel requests. The series > is based on the 4.21/5.0 merge window after Andrew's tree had been merged. > It's known to rebase cleanly. > > ... > > include/linux/compaction.h | 3 +- > include/linux/gfp.h | 7 +- > include/linux/mmzone.h | 2 + > include/linux/sched.h | 4 + > kernel/sched/core.c | 3 + > mm/compaction.c | 1031 ++++++++++++++++++++++++++++++++++---------- > mm/internal.h | 23 +- > mm/migrate.c | 2 +- > mm/page_alloc.c | 70 ++- > 9 files changed, 908 insertions(+), 237 deletions(-) Boy that's a lot of material. I just tossed it in there unread for now. Do you have any suggestions as to how we can move ahead with getting this appropriately reviewed and tested?