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

From: Vlastimil Babka
Date: Mon Nov 28 2016 - 16:00:04 EST


On 11/28/2016 07:54 PM, Christoph Lameter wrote:
> 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

Note that some other solutions to the dentry cache problem (perhaps of a
more low-hanging fruit kind) were also discussed at KS/LPC MM panel
session: https://lwn.net/Articles/705758/