linux-kernel - Re: [PATCH] mm: page_alloc: High-order per-cpu page allocator v3

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Message-ID: <alpine.DEB.2.20.1611281251150.30514@east.gentwo.org>
Date:   Mon, 28 Nov 2016 12:54:07 -0600 (CST)
From:   Christoph Lameter <cl@...ux.com>
To:     Mel Gorman <mgorman@...hsingularity.net>
cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Michal Hocko <mhocko@...e.com>,
        Vlastimil Babka <vbabka@...e.cz>,
        Johannes Weiner <hannes@...xchg.org>,
        Linux-MM <linux-mm@...ck.org>,
        Linux-Kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] mm: page_alloc: High-order per-cpu page allocator v3

On Mon, 28 Nov 2016, Mel Gorman wrote:

> If you have a series aimed at parts of the fragmentation problem or how
> subsystems can avoid tracking 4K pages in some important cases then by
> all means post them.

I designed SLUB with defrag methods in mind. We could warm up some old
patchsets that where never merged:

https://lkml.org/lkml/2010/1/29/332