From: Johannes Weiner <hannes@cmpxchg.org>
To: Wonhyuk Yang <vvghjk1234@gmail.com>
Cc: Mel Gorman <mgorman@suse.de>,
Andrew Morton <akpm@linux-foundation.org>,
Ohhoon Kwon <ohkwon1043@gmail.com>,
JaeSang Yoo <jsyoo5b@gmail.com>,
Jiyoup Kim <lakroforce@gmail.com>,
Donghyeok Kim <dthex5d@gmail.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] mm/page_alloc: cache the result of node_dirty_ok()
Date: Tue, 3 May 2022 09:19:16 -0700 [thread overview]
Message-ID: <YnFWBLKJyl27NvyO@cmpxchg.org> (raw)
In-Reply-To: <20220430011032.64071-1-vvghjk1234@gmail.com>
On Sat, Apr 30, 2022 at 10:10:32AM +0900, Wonhyuk Yang wrote:
> To spread dirty page, nodes are checked whether
> it reached the dirty limit using the expensive
> node_dirty_ok(). To reduce the number of calling
> node_dirty_ok(), last node that hit the dirty
> limit is cached.
>
> Instead of caching the node, caching both node
> and it's result of node_dirty_ok() can reduce
> the number of calling node_dirty_ok() more than
> before.
>
> Signed-off-by: Wonhyuk Yang <vvghjk1234@gmail.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Looks good to me. I like Andrew's naming fixlet as well.
prev parent reply other threads:[~2022-05-03 16:20 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-30 1:10 Wonhyuk Yang
2022-04-30 18:38 ` Andrew Morton
2022-05-02 9:53 ` Mel Gorman
2022-05-03 16:19 ` Johannes Weiner [this message]
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