From: Johannes Weiner <hannes@cmpxchg.org>
To: Vlastimil Babka <vbabka@suse.cz>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Mel Gorman <mgorman@techsingularity.net>,
Miaohe Lin <linmiaohe@huawei.com>,
Kefeng Wang <wangkefeng.wang@huawei.com>, Zi Yan <ziy@nvidia.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/6] mm: page_alloc: remove pcppage migratetype caching
Date: Wed, 13 Sep 2023 09:24:12 -0400 [thread overview]
Message-ID: <20230913132412.GA45543@cmpxchg.org> (raw)
In-Reply-To: <320c16a7-96b7-65ec-3d80-2eace0ddb290@suse.cz>
Hello Vlastimil,
On Wed, Sep 13, 2023 at 11:33:52AM +0200, Vlastimil Babka wrote:
> On 9/12/23 16:50, Johannes Weiner wrote:
> > From 429d13322819ab38b3ba2fad6d1495997819ccc2 Mon Sep 17 00:00:00 2001
> > From: Johannes Weiner <hannes@cmpxchg.org>
> > Date: Tue, 12 Sep 2023 10:16:10 -0400
> > Subject: [PATCH] mm: page_alloc: optimize free_unref_page_list()
> >
> > Move direct freeing of isolated pages to the lock-breaking block in
> > the second loop. This saves an unnecessary migratetype reassessment.
> >
> > Minor comment and local variable scoping cleanups.
>
> Looks like batch_count and locked_zone could be moved to the loop scope as well.
Hm they both maintain values over multiple iterations, so I don't
think that's possible. Am I missing something?
> > Suggested-by: Vlastimil Babka <vbabka@suse.cz>
> > Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
>
> Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Thanks! I'll send this out properly with your tag.
next prev parent reply other threads:[~2023-09-13 13:24 UTC|newest]
Thread overview: 83+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-11 19:41 [PATCH V2 0/6] mm: page_alloc: freelist migratetype hygiene Johannes Weiner
2023-09-11 19:41 ` [PATCH 1/6] mm: page_alloc: remove pcppage migratetype caching Johannes Weiner
2023-09-11 19:59 ` Zi Yan
2023-09-11 21:09 ` Andrew Morton
2023-09-12 13:47 ` Vlastimil Babka
2023-09-12 14:50 ` Johannes Weiner
2023-09-13 9:33 ` Vlastimil Babka
2023-09-13 13:24 ` Johannes Weiner [this message]
2023-09-13 13:34 ` Vlastimil Babka
2023-09-12 15:03 ` Johannes Weiner
2023-09-14 7:29 ` Vlastimil Babka
2023-09-14 9:56 ` Mel Gorman
2023-09-27 5:42 ` Huang, Ying
2023-09-27 14:51 ` Johannes Weiner
2023-09-30 4:26 ` Huang, Ying
2023-10-02 14:58 ` Johannes Weiner
2023-09-11 19:41 ` [PATCH 2/6] mm: page_alloc: fix up block types when merging compatible blocks Johannes Weiner
2023-09-11 20:01 ` Zi Yan
2023-09-13 9:52 ` Vlastimil Babka
2023-09-14 10:00 ` Mel Gorman
2023-09-11 19:41 ` [PATCH 3/6] mm: page_alloc: move free pages when converting block during isolation Johannes Weiner
2023-09-11 20:17 ` Zi Yan
2023-09-11 20:47 ` Johannes Weiner
2023-09-11 20:50 ` Zi Yan
2023-09-13 14:31 ` Vlastimil Babka
2023-09-14 10:03 ` Mel Gorman
2023-09-11 19:41 ` [PATCH 4/6] mm: page_alloc: fix move_freepages_block() range error Johannes Weiner
2023-09-11 20:23 ` Zi Yan
2023-09-13 14:40 ` Vlastimil Babka
2023-09-14 13:37 ` Johannes Weiner
2023-09-14 10:03 ` Mel Gorman
2023-09-11 19:41 ` [PATCH 5/6] mm: page_alloc: fix freelist movement during block conversion Johannes Weiner
2023-09-13 19:52 ` Vlastimil Babka
2023-09-14 14:47 ` Johannes Weiner
2023-09-11 19:41 ` [PATCH 6/6] mm: page_alloc: consolidate free page accounting Johannes Weiner
2023-09-13 20:18 ` Vlastimil Babka
2023-09-14 4:11 ` Johannes Weiner
2023-09-14 23:52 ` [PATCH V2 0/6] mm: page_alloc: freelist migratetype hygiene Mike Kravetz
2023-09-15 14:16 ` Johannes Weiner
2023-09-15 15:05 ` Mike Kravetz
2023-09-16 19:57 ` Mike Kravetz
2023-09-16 20:13 ` Andrew Morton
2023-09-18 7:16 ` Vlastimil Babka
2023-09-18 14:52 ` Johannes Weiner
2023-09-18 17:40 ` Mike Kravetz
2023-09-19 6:49 ` Johannes Weiner
2023-09-19 12:37 ` Zi Yan
2023-09-19 15:22 ` Zi Yan
2023-09-19 18:47 ` Mike Kravetz
2023-09-19 20:57 ` Zi Yan
2023-09-20 0:32 ` Mike Kravetz
2023-09-20 1:38 ` Zi Yan
2023-09-20 6:07 ` Vlastimil Babka
2023-09-20 13:48 ` Johannes Weiner
2023-09-20 16:04 ` Johannes Weiner
2023-09-20 17:23 ` Zi Yan
2023-09-21 2:31 ` Zi Yan
2023-09-21 10:19 ` David Hildenbrand
2023-09-21 14:47 ` Zi Yan
2023-09-25 21:12 ` Zi Yan
2023-09-26 17:39 ` Johannes Weiner
2023-09-28 2:51 ` Zi Yan
2023-10-03 2:26 ` Zi Yan
2023-10-10 21:12 ` Johannes Weiner
2023-10-11 15:25 ` Johannes Weiner
2023-10-11 15:45 ` Johannes Weiner
2023-10-11 15:57 ` Zi Yan
2023-10-13 0:06 ` Zi Yan
2023-10-13 14:51 ` Zi Yan
2023-10-16 13:35 ` Zi Yan
2023-10-16 14:37 ` Johannes Weiner
2023-10-16 15:00 ` Zi Yan
2023-10-16 18:51 ` Johannes Weiner
2023-10-16 19:49 ` Zi Yan
2023-10-16 20:26 ` Johannes Weiner
2023-10-16 20:39 ` Johannes Weiner
2023-10-16 20:48 ` Zi Yan
2023-09-26 18:19 ` David Hildenbrand
2023-09-28 3:22 ` Zi Yan
2023-10-02 11:43 ` David Hildenbrand
2023-10-03 2:35 ` Zi Yan
2023-09-18 7:07 ` Vlastimil Babka
2023-09-18 14:09 ` Johannes Weiner
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