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authorMatthew Wilcox (Oracle) <willy@infradead.org>2022-06-06 10:47:21 -0400
committerMatthew Wilcox (Oracle) <willy@infradead.org>2022-08-02 12:34:04 -0400
commitb890ec2a2c2d962f71ba31ae291f8fd252b46258 (patch)
tree3a65f2b2ed759fadcb7c18f921eec525a23f2a58 /mm/migrate.c
parent3648951ceb0ad20756253e84df9337e2a5aae440 (diff)
hugetlb: Convert to migrate_folio
This involves converting migrate_huge_page_move_mapping(). We also need a folio variant of hugetlb_set_page_subpool(), but that's for a later patch. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Acked-by: Muchun Song <songmuchun@bytedance.com> Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
Diffstat (limited to 'mm/migrate.c')
-rw-r--r--mm/migrate.c18
1 files changed, 9 insertions, 9 deletions
diff --git a/mm/migrate.c b/mm/migrate.c
index 4ed8f0d53c77..0dd3ec9525b3 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -474,26 +474,26 @@ EXPORT_SYMBOL(folio_migrate_mapping);
* of folio_migrate_mapping().
*/
int migrate_huge_page_move_mapping(struct address_space *mapping,
- struct page *newpage, struct page *page)
+ struct folio *dst, struct folio *src)
{
- XA_STATE(xas, &mapping->i_pages, page_index(page));
+ XA_STATE(xas, &mapping->i_pages, folio_index(src));
int expected_count;
xas_lock_irq(&xas);
- expected_count = 2 + page_has_private(page);
- if (!page_ref_freeze(page, expected_count)) {
+ expected_count = 2 + folio_has_private(src);
+ if (!folio_ref_freeze(src, expected_count)) {
xas_unlock_irq(&xas);
return -EAGAIN;
}
- newpage->index = page->index;
- newpage->mapping = page->mapping;
+ dst->index = src->index;
+ dst->mapping = src->mapping;
- get_page(newpage);
+ folio_get(dst);
- xas_store(&xas, newpage);
+ xas_store(&xas, dst);
- page_ref_unfreeze(page, expected_count - 1);
+ folio_ref_unfreeze(src, expected_count - 1);
xas_unlock_irq(&xas);