From: Jan Kara <jack@suse.cz>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Jan Kara <jack@suse.cz>,
linux-mm@kvack.org, mhocko@suse.cz, mgorman@suse.de
Subject: Re: [PATCH 4/6] mm: migrate: Provide buffer_migrate_page_norefs()
Date: Fri, 14 Dec 2018 10:26:25 +0100 [thread overview]
Message-ID: <20181214092625.GC8896@quack2.suse.cz> (raw)
In-Reply-To: <20181213205353.561d4f22fdb92efe57719b69@linux-foundation.org>
On Thu 13-12-18 20:53:53, Andrew Morton wrote:
> On Tue, 11 Dec 2018 18:21:41 +0100 Jan Kara <jack@suse.cz> 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.
> >
> > ...
> >
> > +EXPORT_SYMBOL(buffer_migrate_page_norefs);
>
> The export is presently unneeded and I don't think we expect that this
> will be used by anything other than fs/block_dev.c?
Good point. We can always re-add the export if someone needs it. Thanks for
removing it!
Honza
--
Jan Kara <jack@suse.com>
SUSE Labs, CR
next prev parent reply other threads:[~2018-12-14 9:26 UTC|newest]
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
2018-12-14 4:53 ` Andrew Morton
2018-12-14 9:26 ` Jan Kara [this message]
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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