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authorMatthew Wilcox (Oracle) <willy@infradead.org>2021-05-07 22:26:29 +0300
committerMatthew Wilcox (Oracle) <willy@infradead.org>2021-10-18 14:49:39 +0300
commit19138349ed59b90ce58aca319b873eca2e04ad43 (patch)
treeb55487b03b82b5fb9e5837c4698ccfd17eda5857 /include/linux/migrate.h
parent3417013e0d183be9b42d794082eec0ec1c5b5f15 (diff)
downloadlinux-19138349ed59b90ce58aca319b873eca2e04ad43.tar.xz
mm/migrate: Add folio_migrate_flags()
Turn migrate_page_states() into a wrapper around folio_migrate_flags(). Also convert two functions only called from folio_migrate_flags() to be folio-based. ksm_migrate_page() becomes folio_migrate_ksm() and copy_page_owner() becomes folio_copy_owner(). folio_migrate_flags() alone shrinks by two thirds -- 1967 bytes down to 642 bytes. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Reviewed-by: Zi Yan <ziy@nvidia.com> Reviewed-by: David Howells <dhowells@redhat.com> Acked-by: Vlastimil Babka <vbabka@suse.cz>
Diffstat (limited to 'include/linux/migrate.h')
-rw-r--r--include/linux/migrate.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/migrate.h b/include/linux/migrate.h
index 58b3af645e20..aa875b83f7ba 100644
--- a/include/linux/migrate.h
+++ b/include/linux/migrate.h
@@ -57,6 +57,7 @@ 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, int extra_count);
+void folio_migrate_flags(struct folio *newfolio, struct folio *folio);
int folio_migrate_mapping(struct address_space *mapping,
struct folio *newfolio, struct folio *folio, int extra_count);
#else