diff options
Diffstat (limited to 'mm/util.c')
| -rw-r--r-- | mm/util.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/mm/util.c b/mm/util.c index 96a5e7185f65..bf860838282c 100644 --- a/mm/util.c +++ b/mm/util.c @@ -1076,3 +1076,14 @@ void page_offline_end(void) up_write(&page_offline_rwsem); } EXPORT_SYMBOL(page_offline_end); + +#ifndef ARCH_IMPLEMENTS_FLUSH_DCACHE_FOLIO +void flush_dcache_folio(struct folio *folio) +{ + long i, nr = folio_nr_pages(folio); + + for (i = 0; i < nr; i++) + flush_dcache_page(folio_page(folio, i)); +} +EXPORT_SYMBOL(flush_dcache_folio); +#endif |