1 #ifndef __LINUX_PAGEISOLATION_H
2 #define __LINUX_PAGEISOLATION_H
4 #ifdef CONFIG_MEMORY_ISOLATION
5 static inline bool is_migrate_isolate_page(struct page
*page
)
7 return get_pageblock_migratetype(page
) == MIGRATE_ISOLATE
;
9 static inline bool is_migrate_isolate(int migratetype
)
11 return migratetype
== MIGRATE_ISOLATE
;
14 static inline bool is_migrate_isolate_page(struct page
*page
)
18 static inline bool is_migrate_isolate(int migratetype
)
24 bool has_unmovable_pages(struct zone
*zone
, struct page
*page
, int count
,
25 bool skip_hwpoisoned_pages
);
26 void set_pageblock_migratetype(struct page
*page
, int migratetype
);
27 int move_freepages_block(struct zone
*zone
, struct page
*page
,
29 int move_freepages(struct zone
*zone
,
30 struct page
*start_page
, struct page
*end_page
,
34 * Changes migrate type in [start_pfn, end_pfn) to be MIGRATE_ISOLATE.
35 * If specified range includes migrate types other than MOVABLE or CMA,
36 * this will fail with -EBUSY.
38 * For isolating all pages in the range finally, the caller have to
39 * free all pages in the range. test_page_isolated() can be used for
43 start_isolate_page_range(unsigned long start_pfn
, unsigned long end_pfn
,
44 unsigned migratetype
, bool skip_hwpoisoned_pages
);
47 * Changes MIGRATE_ISOLATE to MIGRATE_MOVABLE.
48 * target range is [start_pfn, end_pfn)
51 undo_isolate_page_range(unsigned long start_pfn
, unsigned long end_pfn
,
52 unsigned migratetype
);
55 * Test all pages in [start_pfn, end_pfn) are isolated or not.
57 int test_pages_isolated(unsigned long start_pfn
, unsigned long end_pfn
,
58 bool skip_hwpoisoned_pages
);
61 * Internal functions. Changes pageblock's migrate type.
63 int set_migratetype_isolate(struct page
*page
, bool skip_hwpoisoned_pages
);
64 void unset_migratetype_isolate(struct page
*page
, unsigned migratetype
);
65 struct page
*alloc_migrate_target(struct page
*page
, unsigned long private,
This page took 0.042143 seconds and 6 git commands to generate.