diff options
Diffstat (limited to 'include/linux/page-isolation.h')
-rw-r--r-- | include/linux/page-isolation.h | 29 |
1 files changed, 25 insertions, 4 deletions
diff --git a/include/linux/page-isolation.h b/include/linux/page-isolation.h index 76a9539cfd3f..3fff8e774067 100644 --- a/include/linux/page-isolation.h +++ b/include/linux/page-isolation.h @@ -1,8 +1,28 @@ #ifndef __LINUX_PAGEISOLATION_H #define __LINUX_PAGEISOLATION_H +#ifdef CONFIG_MEMORY_ISOLATION +static inline bool is_migrate_isolate_page(struct page *page) +{ + return get_pageblock_migratetype(page) == MIGRATE_ISOLATE; +} +static inline bool is_migrate_isolate(int migratetype) +{ + return migratetype == MIGRATE_ISOLATE; +} +#else +static inline bool is_migrate_isolate_page(struct page *page) +{ + return false; +} +static inline bool is_migrate_isolate(int migratetype) +{ + return false; +} +#endif -bool has_unmovable_pages(struct zone *zone, struct page *page, int count); +bool has_unmovable_pages(struct zone *zone, struct page *page, int count, + bool skip_hwpoisoned_pages); void set_pageblock_migratetype(struct page *page, int migratetype); int move_freepages_block(struct zone *zone, struct page *page, int migratetype); @@ -21,7 +41,7 @@ int move_freepages(struct zone *zone, */ int start_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn, - unsigned migratetype); + unsigned migratetype, bool skip_hwpoisoned_pages); /* * Changes MIGRATE_ISOLATE to MIGRATE_MOVABLE. @@ -34,12 +54,13 @@ undo_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn, /* * Test all pages in [start_pfn, end_pfn) are isolated or not. */ -int test_pages_isolated(unsigned long start_pfn, unsigned long end_pfn); +int test_pages_isolated(unsigned long start_pfn, unsigned long end_pfn, + bool skip_hwpoisoned_pages); /* * Internal functions. Changes pageblock's migrate type. */ -int set_migratetype_isolate(struct page *page); +int set_migratetype_isolate(struct page *page, bool skip_hwpoisoned_pages); void unset_migratetype_isolate(struct page *page, unsigned migratetype); struct page *alloc_migrate_target(struct page *page, unsigned long private, int **resultp); |