Commit ab41ee68 authored by Jan Kara's avatar Jan Kara Committed by Linus Torvalds

mm: migrate: drop unused argument of migrate_page_move_mapping()

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

Link: http://lkml.kernel.org/r/20181211172143.7358-7-jack@suse.czSigned-off-by: 's avatarJan Kara <jack@suse.cz>
Acked-by: 's avatarMel Gorman <mgorman@suse.de>
Cc: Michal Hocko <mhocko@suse.com>
Signed-off-by: 's avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: 's avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 88dbcbb3
......@@ -409,7 +409,7 @@ static int aio_migratepage(struct address_space *mapping, struct page *new,
BUG_ON(PageWriteback(old));
get_page(new);
rc = migrate_page_move_mapping(mapping, new, old, NULL, mode, 1);
rc = migrate_page_move_mapping(mapping, new, old, mode, 1);
if (rc != MIGRATEPAGE_SUCCESS) {
put_page(new);
goto out_unlock;
......
......@@ -2738,7 +2738,7 @@ int f2fs_migrate_page(struct address_space *mapping,
*/
extra_count = (atomic_written ? 1 : 0) - page_has_private(page);
rc = migrate_page_move_mapping(mapping, newpage,
page, NULL, mode, extra_count);
page, mode, extra_count);
if (rc != MIGRATEPAGE_SUCCESS) {
if (atomic_written)
mutex_unlock(&fi->inmem_lock);
......
......@@ -563,7 +563,7 @@ iomap_migrate_page(struct address_space *mapping, struct page *newpage,
{
int ret;
ret = migrate_page_move_mapping(mapping, newpage, page, NULL, mode, 0);
ret = migrate_page_move_mapping(mapping, newpage, page, mode, 0);
if (ret != MIGRATEPAGE_SUCCESS)
return ret;
......
......@@ -1481,7 +1481,7 @@ static int ubifs_migrate_page(struct address_space *mapping,
{
int rc;
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;
......
......@@ -77,8 +77,7 @@ extern void migrate_page_copy(struct page *newpage, struct page *page);
extern int migrate_huge_page_move_mapping(struct address_space *mapping,
struct page *newpage, struct page *page);
extern 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);
#else
......
......@@ -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 @@ static int __buffer_migrate_page(struct address_space *mapping,
}
}
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;
......
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