1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __LINUX_PAGEISOLATION_H
3 #define __LINUX_PAGEISOLATION_H
4
5 #ifdef CONFIG_MEMORY_ISOLATION
is_migrate_isolate_page(struct page * page)6 static inline bool is_migrate_isolate_page(struct page *page)
7 {
8 return get_pageblock_migratetype(page) == MIGRATE_ISOLATE;
9 }
is_migrate_isolate(int migratetype)10 static inline bool is_migrate_isolate(int migratetype)
11 {
12 return migratetype == MIGRATE_ISOLATE;
13 }
14 #else
is_migrate_isolate_page(struct page * page)15 static inline bool is_migrate_isolate_page(struct page *page)
16 {
17 return false;
18 }
is_migrate_isolate(int migratetype)19 static inline bool is_migrate_isolate(int migratetype)
20 {
21 return false;
22 }
23 #endif
24
25 #define MEMORY_OFFLINE 0x1
26 #define REPORT_FAILURE 0x2
27
28 void set_pageblock_migratetype(struct page *page, int migratetype);
29
30 bool move_freepages_block_isolate(struct zone *zone, struct page *page,
31 int migratetype);
32
33 int start_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn,
34 int migratetype, int flags);
35
36 void undo_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn,
37 int migratetype);
38
39 int test_pages_isolated(unsigned long start_pfn, unsigned long end_pfn,
40 int isol_flags);
41 #endif
42