From 28fb54f6a2fd6cc471165cce1650a57dfbf49746 Mon Sep 17 00:00:00 2001 From: "Vishal Moola (Oracle)" Date: Tue, 13 Jun 2023 19:13:09 -0700 Subject: 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 --- include/linux/mmzone.h | 3 +++ 1 file changed, 3 insertions(+) (limited to 'include/linux/mmzone.h') diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index f10902491ead..3e822335f214 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; -- cgit v1.2.3