From: Vishal Moola (Oracle) Date: Wed, 14 Jun 2023 02:13:09 +0000 (-0700) Subject: mmzone: introduce folio_migratetype() X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=28fb54f6a2fd6cc471165cce1650a57dfbf49746;p=linux.git mmzone: introduce folio_migratetype() Introduce folio_migratetype() as a folio equivalent for get_pageblock_migratetype(). This function intends to return the migratetype the folio is located in, hence the name choice. Link: https://lkml.kernel.org/r/20230614021312.34085-3-vishal.moola@gmail.com Signed-off-by: Vishal Moola (Oracle) Reviewed-by: Matthew Wilcox (Oracle) Signed-off-by: Andrew Morton --- diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index f10902491ead2..3e822335f214f 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -105,6 +105,9 @@ extern int page_group_by_mobility_disabled; #define get_pageblock_migratetype(page) \ get_pfnblock_flags_mask(page, page_to_pfn(page), MIGRATETYPE_MASK) +#define folio_migratetype(folio) \ + get_pfnblock_flags_mask(&folio->page, folio_pfn(folio), \ + MIGRATETYPE_MASK) struct free_area { struct list_head free_list[MIGRATE_TYPES]; unsigned long nr_free;