set_direct_map_invalid_noflush
int set_direct_map_invalid_noflush(struct page *page);
int set_direct_map_invalid_noflush(struct page *page);
int set_direct_map_invalid_noflush(struct page *page);
int set_direct_map_invalid_noflush(struct page *page);
int set_direct_map_invalid_noflush(struct page *page);
int ret = set_direct_map_invalid_noflush(page);
err = set_direct_map_invalid_noflush(folio_page(folio, 0));
set_area_direct_map(area, set_direct_map_invalid_noflush);