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From: Mel Gorman <mgorman@suse.de>
To: Jan Kara <jack@suse.cz>
Cc: linux-mm@kvack.org, mhocko@suse.cz
Subject: Re: [PATCH 4/6] mm: migrate: Provide buffer_migrate_page_norefs()
Date: Thu, 13 Dec 2018 15:34:56 +0000
Message-ID: <20181213153456.GD28934@suse.de> (raw)
In-Reply-To: <20181211172143.7358-5-jack@suse.cz>

On Tue, Dec 11, 2018 at 06:21:41PM +0100, Jan Kara wrote:
> Provide a variant of buffer_migrate_page() that also checks whether
> there are no unexpected references to buffer heads. This function will
> then be safe to use for block device pages.
> 
> Signed-off-by: Jan Kara <jack@suse.cz>

Acked-by: Mel Gorman <mgorman@suse.de>

-- 
Mel Gorman
SUSE Labs

  reply index

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-12-11 17:21 mm: migrate: Fix page migration stalls for blkdev pages Jan Kara
2018-12-11 17:21 ` [PATCH 1/6] mm: migration: Factor out code to compute expected number of page references Jan Kara
2018-12-13 13:05   ` Mel Gorman
2018-12-14 15:10   ` Mel Gorman
2018-12-14 15:53     ` Jan Kara
2018-12-14 16:24       ` Mel Gorman
2018-12-17 13:11         ` Jan Kara
2018-12-11 17:21 ` [PATCH 2/6] mm: migrate: Lock buffers before migrate_page_move_mapping() Jan Kara
2018-12-13 14:19   ` Mel Gorman
2018-12-11 17:21 ` [PATCH 3/6] mm: migrate: Move migrate_page_lock_buffers() Jan Kara
2018-12-13 14:57   ` Mel Gorman
2018-12-11 17:21 ` [PATCH 4/6] mm: migrate: Provide buffer_migrate_page_norefs() Jan Kara
2018-12-13 15:34   ` Mel Gorman [this message]
2018-12-14  4:53   ` Andrew Morton
2018-12-14  9:26     ` Jan Kara
2018-12-11 17:21 ` [PATCH 5/6] blkdev: Avoid migration stalls for blkdev pages Jan Kara
2018-12-13 15:35   ` Mel Gorman
2018-12-11 17:21 ` [PATCH 6/6] mm: migrate: Drop unused argument of migrate_page_move_mapping() Jan Kara
2018-12-13 15:35   ` Mel Gorman
2018-12-13 16:17     ` Jan Kara
2018-12-17 13:17       ` Jan Kara

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