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Message-ID: <1481137869.4930.62.camel@edumazet-glaptop3.roam.corp.google.com>
Subject: Re: [PATCH] mm: page_alloc: High-order per-cpu page allocator v7
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Wed, 07 Dec 2016 11:11:09 -0800
In-Reply-To: <1481137249.4930.59.camel@edumazet-glaptop3.roam.corp.google.com>
References: <20161207101228.8128-1-mgorman@techsingularity.net>
	 <1481137249.4930.59.camel@edumazet-glaptop3.roam.corp.google.com>
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To: Mel Gorman <mgorman@techsingularity.net>
Cc: Andrew Morton <akpm@linux-foundation.org>, Christoph Lameter <cl@linux.com>, Michal Hocko <mhocko@suse.com>, Vlastimil Babka <vbabka@suse.cz>, Johannes Weiner <hannes@cmpxchg.org>, Jesper Dangaard Brouer <brouer@redhat.com>, Joonsoo Kim <iamjoonsoo.kim@lge.com>, Linux-MM <linux-mm@kvack.org>, Linux-Kernel <linux-kernel@vger.kernel.org>

On Wed, 2016-12-07 at 11:00 -0800, Eric Dumazet wrote:

>  
> So far, I believe net/unix/af_unix.c uses PAGE_ALLOC_COSTLY_ORDER as
> max_order, but UDP does not do that yet.

For af_unix, it happened in
https://git.kernel.org/cgit/linux/kernel/git/davem/net-next.git/commit/?id=28d6427109d13b0f447cba5761f88d3548e83605

This came to fix a regression, since we had a gigantic slab allocation
in af_unix before 

https://git.kernel.org/cgit/linux/kernel/git/davem/net-next.git/commit/?id=eb6a24816b247c0be6b2e97e68933072874bbe54



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