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From: Rik van Riel <riel@surriel.com>
To: Johannes Weiner <hannes@cmpxchg.org>,
	Andrew Morton <akpm@linux-foundation.org>
Cc: Rik van Riel <riel@redhat.com>,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	kernel-team@fb.com
Subject: Re: [PATCH 1/4] mm: workingset: don't drop refault information prematurely fix
Date: Tue, 09 Oct 2018 20:55:28 -0400	[thread overview]
Message-ID: <eb192cfdb1a3b581532a0daba22e9aaa6ad3094a.camel@surriel.com> (raw)
In-Reply-To: <20181009184732.762-2-hannes@cmpxchg.org>

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On Tue, 2018-10-09 at 14:47 -0400, Johannes Weiner wrote:
> The shadow shrinker is invoked per NUMA node, but the shadow limit
> enforced for cgroups is based on the page counter, which isn't NUMA
> aware. Instead of shrinking shadow pages to desired_size, we end up
> with desired_size * nr_online_nodes.
> 
> Switch to NUMA-aware lru and slab counters to approximate cgroup
> size.
> 
> Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>

Reviewed-by: Rik van Riel <riel@surriel.com>

-- 
All Rights Reversed.

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  reply	other threads:[~2018-10-10  0:55 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-09 18:47 [PATCH 0/4] mm: workingset & shrinker fixes Johannes Weiner
2018-10-09 18:47 ` [PATCH 1/4] mm: workingset: don't drop refault information prematurely fix Johannes Weiner
2018-10-10  0:55   ` Rik van Riel [this message]
2018-10-09 18:47 ` [PATCH 2/4] mm: workingset: use cheaper __inc_lruvec_state in irqsafe node reclaim Johannes Weiner
2018-10-10  0:55   ` Rik van Riel
2018-10-09 18:47 ` [PATCH 3/4] mm: workingset: add vmstat counter for shadow nodes Johannes Weiner
2018-10-09 22:04   ` Andrew Morton
2018-10-10 14:02     ` Johannes Weiner
2018-10-09 22:08   ` Andrew Morton
2018-10-10 15:05     ` Johannes Weiner
2018-10-16  8:49     ` Mel Gorman
2018-10-16 22:27       ` Andrew Morton
2018-10-09 18:47 ` [PATCH 4/4] mm: zero-seek shrinkers Johannes Weiner
2018-10-09 22:15   ` Andrew Morton
2018-10-09 22:17     ` Andrew Morton
2018-10-10  1:03   ` Rik van Riel
2018-10-10 15:15     ` Johannes Weiner
2018-10-12 13:48   ` Vlastimil Babka

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