linux-kernel - Re: [RFC PATCH 00/27] Move LRU page reclaim from zones to nodes v2

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Tue, 23 Feb 2016 11:15:29 -0600 (CST)
From:	Christoph Lameter <cl@...ux.com>
To:	Mel Gorman <mgorman@...hsingularity.net>
cc:	Linux-MM <linux-mm@...ck.org>, Rik van Riel <riel@...riel.com>,
	Vlastimil Babka <vbabka@...e.cz>,
	Johannes Weiner <hannes@...xchg.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Andi Kleen <andi@...stfloor.org>
Subject: Re: [RFC PATCH 00/27] Move LRU page reclaim from zones to nodes v2

On Tue, 23 Feb 2016, Mel Gorman wrote:

> Conceptually, moving to node LRUs should be easier to understand. The
> page allocator plays fewer tricks to game reclaim and reclaim behaves
> similarly on all nodes.

I think this is a good way to simplify reclaim and limit the nasty effects
of zones a bit. It probably would allow us to long term rely less on
zones.