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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, Mel Gorman <mgorman@suse.de>
Subject: Re: [PATCH 6/6] mm: migrate: Drop unused argument of migrate_page_move_mapping()
Date: Mon, 17 Dec 2018 14:17:10 +0100
Message-ID: <20181217131710.GB8611@quack2.suse.cz> (raw)
In-Reply-To: <20181213161746.GB27517@quack2.suse.cz>

[-- Attachment #1: Type: text/plain, Size: 608 bytes --]

On Thu 13-12-18 17:17:46, Jan Kara wrote:
> On Thu 13-12-18 15:35:43, Mel Gorman wrote:
> > On Tue, Dec 11, 2018 at 06:21:43PM +0100, Jan Kara wrote:
> > > All callers of migrate_page_move_mapping() now pass NULL for 'head'
> > > argument. Drop it.
> > > 
> > > Signed-off-by: Jan Kara <jack@suse.cz>
> > 
> > Acked-by: Mel Gorman <mgorman@suse.de>
> 
> Thanks for review Mel! Andrew, can you please pick up the series? Thanks!

Andrew, Mel has spotted a bug in patch 1/6 or this series. Can you please
add the attached fixup to the patch 1? Thanks!

								Honza
-- 
Jan Kara <jack@suse.com>
SUSE Labs, CR

[-- Attachment #2: migratepage-fixup.patch --]
[-- Type: text/x-patch, Size: 435 bytes --]

diff --git a/mm/migrate.c b/mm/migrate.c
index 789c7bc90a0c..816ce10e908f 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -438,7 +438,7 @@ static int expected_page_refs(struct page *page)
 	 */
 	expected_count += is_device_private_page(page);
 	expected_count += is_device_public_page(page);
-	if (page->mapping)
+	if (page_mapping(page))
 		expected_count += hpage_nr_pages(page) + page_has_private(page);
 
 	return expected_count;

      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
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 [this message]

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