projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| a5d76b54 KH |
2 | #ifndef __LINUX_PAGEISOLATION_H |
| 3 | #define __LINUX_PAGEISOLATION_H | |
| 4 | ||
| 194159fb | 5 | #ifdef CONFIG_MEMORY_ISOLATION |
| ad53f92e JK |
6 | static inline bool has_isolate_pageblock(struct zone *zone) |
| 7 | { | |
| 8 | return zone->nr_isolate_pageblock; | |
| 9 | } | |
| 194159fb MK |
10 | static inline bool is_migrate_isolate_page(struct page *page) |
| 11 | { | |
| 12 | return get_pageblock_migratetype(page) == MIGRATE_ISOLATE; | |
| 13 | } | |
| 14 | static inline bool is_migrate_isolate(int migratetype) | |
| 15 | { | |
| 16 | return migratetype == MIGRATE_ISOLATE; | |
| 17 | } | |
| 18 | #else | |
| ad53f92e JK |
19 | static inline bool has_isolate_pageblock(struct zone *zone) |
| 20 | { | |
| 21 | return false; | |
| 22 | } | |
| 194159fb MK |
23 | static inline bool is_migrate_isolate_page(struct page *page) |
| 24 | { | |
| 25 | return false; | |
| 26 | } | |
| 27 | static inline bool is_migrate_isolate(int migratetype) | |
| 28 | { | |
| 29 | return false; | |
| 30 | } | |
| 31 | #endif | |
| ee6f509c | 32 | |
| 756d25be | 33 | #define MEMORY_OFFLINE 0x1 |
| d381c547 MH |
34 | #define REPORT_FAILURE 0x2 |
| 35 | ||
| ee6f509c MK |
36 | void set_pageblock_migratetype(struct page *page, int migratetype); |
| 37 | int move_freepages_block(struct zone *zone, struct page *page, | |
| 02aa0cdd | 38 | int migratetype, int *num_movable); |
| 435b405c | 39 | |
| ce5df776 JW |
40 | int start_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn, |
| 41 | int migratetype, int flags, gfp_t gfp_flags); | |
| 42 | ||
| 43 | void undo_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn, | |
| 44 | int migratetype); | |
| 45 | ||
| b023f468 | 46 | int test_pages_isolated(unsigned long start_pfn, unsigned long end_pfn, |
| 756d25be | 47 | int isol_flags); |
| a5d76b54 | 48 | #endif |