diff options
Diffstat (limited to 'include/linux/mmzone.h')
| -rw-r--r-- | include/linux/mmzone.h | 36 |
1 files changed, 20 insertions, 16 deletions
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index 283913d42d7b..0c5da9141983 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -38,19 +38,19 @@ #define NR_PAGE_ORDERS (MAX_PAGE_ORDER + 1) /* Defines the order for the number of pages that have a migrate type. */ -#ifndef CONFIG_PAGE_BLOCK_ORDER -#define PAGE_BLOCK_ORDER MAX_PAGE_ORDER +#ifndef CONFIG_PAGE_BLOCK_MAX_ORDER +#define PAGE_BLOCK_MAX_ORDER MAX_PAGE_ORDER #else -#define PAGE_BLOCK_ORDER CONFIG_PAGE_BLOCK_ORDER -#endif /* CONFIG_PAGE_BLOCK_ORDER */ +#define PAGE_BLOCK_MAX_ORDER CONFIG_PAGE_BLOCK_MAX_ORDER +#endif /* CONFIG_PAGE_BLOCK_MAX_ORDER */ /* * The MAX_PAGE_ORDER, which defines the max order of pages to be allocated - * by the buddy allocator, has to be larger or equal to the PAGE_BLOCK_ORDER, + * by the buddy allocator, has to be larger or equal to the PAGE_BLOCK_MAX_ORDER, * which defines the order for the number of pages that can have a migrate type */ -#if (PAGE_BLOCK_ORDER > MAX_PAGE_ORDER) -#error MAX_PAGE_ORDER must be >= PAGE_BLOCK_ORDER +#if (PAGE_BLOCK_MAX_ORDER > MAX_PAGE_ORDER) +#error MAX_PAGE_ORDER must be >= PAGE_BLOCK_MAX_ORDER #endif /* @@ -79,6 +79,9 @@ enum migratetype { * __free_pageblock_cma() function. */ MIGRATE_CMA, + __MIGRATE_TYPE_END = MIGRATE_CMA, +#else + __MIGRATE_TYPE_END = MIGRATE_HIGHATOMIC, #endif #ifdef CONFIG_MEMORY_ISOLATION MIGRATE_ISOLATE, /* can't allocate from here */ @@ -92,8 +95,12 @@ extern const char * const migratetype_names[MIGRATE_TYPES]; #ifdef CONFIG_CMA # define is_migrate_cma(migratetype) unlikely((migratetype) == MIGRATE_CMA) # define is_migrate_cma_page(_page) (get_pageblock_migratetype(_page) == MIGRATE_CMA) -# define is_migrate_cma_folio(folio, pfn) (MIGRATE_CMA == \ - get_pfnblock_flags_mask(&folio->page, pfn, MIGRATETYPE_MASK)) +/* + * __dump_folio() in mm/debug.c passes a folio pointer to on-stack struct folio, + * so folio_pfn() cannot be used and pfn is needed. + */ +# define is_migrate_cma_folio(folio, pfn) \ + (get_pfnblock_migratetype(&folio->page, pfn) == MIGRATE_CMA) #else # define is_migrate_cma(migratetype) false # define is_migrate_cma_page(_page) false @@ -122,14 +129,12 @@ static inline bool migratetype_is_mergeable(int mt) extern int page_group_by_mobility_disabled; -#define MIGRATETYPE_MASK ((1UL << PB_migratetype_bits) - 1) +#define get_pageblock_migratetype(page) \ + get_pfnblock_migratetype(page, page_to_pfn(page)) -#define get_pageblock_migratetype(page) \ - get_pfnblock_flags_mask(page, page_to_pfn(page), MIGRATETYPE_MASK) +#define folio_migratetype(folio) \ + get_pageblock_migratetype(&folio->page) -#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; @@ -201,7 +206,6 @@ enum node_stat_item { NR_FILE_PAGES, NR_FILE_DIRTY, NR_WRITEBACK, - NR_WRITEBACK_TEMP, /* Writeback using temporary buffers */ NR_SHMEM, /* shmem pages (included tmpfs/GEM pages) */ NR_SHMEM_THPS, NR_SHMEM_PMDMAPPED, |