From: Andrew Morton <akpm@linux-foundation.org>
To: Shakeel Butt <shakeelb@google.com>
Cc: Mel Gorman <mgorman@suse.de>,
Johannes Weiner <hannes@cmpxchg.org>,
Roman Gushchin <guro@fb.com>, Michal Hocko <mhocko@kernel.org>,
Minchan Kim <minchan@kernel.org>, Rik van Riel <riel@surriel.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] mm: fix LRU balancing effect of new transparent huge pages
Date: Mon, 11 May 2020 14:11:22 -0700 [thread overview]
Message-ID: <20200511141122.9b03e2f0852b57b224eab066@linux-foundation.org> (raw)
In-Reply-To: <20200509141946.158892-1-shakeelb@google.com>
On Sat, 9 May 2020 07:19:46 -0700 Shakeel Butt <shakeelb@google.com> wrote:
> Currently, THP are counted as single pages until they are split right
> before being swapped out. However, at that point the VM is already in
> the middle of reclaim, and adjusting the LRU balance then is useless.
>
> Always account THP by the number of basepages, and remove the fixup
> from the splitting path.
Confused. What kernel is this applicable to?
next prev parent reply other threads:[~2020-05-11 21:11 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-09 14:19 [PATCH] mm: fix LRU balancing effect of new transparent huge pages Shakeel Butt
2020-05-09 14:19 ` Shakeel Butt
2020-05-11 21:11 ` Andrew Morton [this message]
2020-05-11 21:38 ` Shakeel Butt
2020-05-11 21:38 ` Shakeel Butt
2020-05-11 21:58 ` Andrew Morton
2020-05-11 22:04 ` Shakeel Butt
2020-05-11 22:04 ` Shakeel Butt
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