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mm: migrate: drop unused argument of migrate_page_move_mapping()

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All callers of migrate_page_move_mapping() now pass NULL for 'head'
argument.  Drop it.

Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Jan Kara <[email protected]>
Acked-by: Mel Gorman <[email protected]>
Cc: Michal Hocko <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Jan Kara 2018-12-28 00:39:20 -08:00 • committed by Linus Torvalds
commit ab41ee6879
6 changed files with 8 additions and 10 deletions
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7
mm/migrate.c
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@ -399,8 +399,7 @@ static int expected_page_refs(struct page *page)
* 3 for pages with a mapping and PagePrivate/PagePrivate2 set.
*/
int migrate_page_move_mapping(struct address_space *mapping,
struct page *newpage, struct page *page,
struct buffer_head *head, enum migrate_mode mode,
struct page *newpage, struct page *page, enum migrate_mode mode,
int extra_count)
{
XA_STATE(xas, &mapping->i_pages, page_index(page));
@ -687,7 +686,7 @@ int migrate_page(struct address_space *mapping,
BUG_ON(PageWriteback(page)); /* Writeback must be complete */
rc = migrate_page_move_mapping(mapping, newpage, page, NULL, mode, 0);
rc = migrate_page_move_mapping(mapping, newpage, page, mode, 0);
if (rc != MIGRATEPAGE_SUCCESS)
return rc;
@ -790,7 +789,7 @@ recheck_buffers:
}
}
rc = migrate_page_move_mapping(mapping, newpage, page, NULL, mode, 0);
rc = migrate_page_move_mapping(mapping, newpage, page, mode, 0);
if (rc != MIGRATEPAGE_SUCCESS)
goto unlock_buffers;