diff options
Diffstat (limited to 'include/linux/page-isolation.h')
-rw-r--r-- | include/linux/page-isolation.h | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/include/linux/page-isolation.h b/include/linux/page-isolation.h index 051c1b1ede4e..3bdcab30ca41 100644 --- a/include/linux/page-isolation.h +++ b/include/linux/page-isolation.h | |||
@@ -3,7 +3,7 @@ | |||
3 | 3 | ||
4 | /* | 4 | /* |
5 | * Changes migrate type in [start_pfn, end_pfn) to be MIGRATE_ISOLATE. | 5 | * Changes migrate type in [start_pfn, end_pfn) to be MIGRATE_ISOLATE. |
6 | * If specified range includes migrate types other than MOVABLE, | 6 | * If specified range includes migrate types other than MOVABLE or CMA, |
7 | * this will fail with -EBUSY. | 7 | * this will fail with -EBUSY. |
8 | * | 8 | * |
9 | * For isolating all pages in the range finally, the caller have to | 9 | * For isolating all pages in the range finally, the caller have to |
@@ -11,27 +11,27 @@ | |||
11 | * test it. | 11 | * test it. |
12 | */ | 12 | */ |
13 | extern int | 13 | extern int |
14 | start_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn); | 14 | start_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn, |
15 | unsigned migratetype); | ||
15 | 16 | ||
16 | /* | 17 | /* |
17 | * Changes MIGRATE_ISOLATE to MIGRATE_MOVABLE. | 18 | * Changes MIGRATE_ISOLATE to MIGRATE_MOVABLE. |
18 | * target range is [start_pfn, end_pfn) | 19 | * target range is [start_pfn, end_pfn) |
19 | */ | 20 | */ |
20 | extern int | 21 | extern int |
21 | undo_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn); | 22 | undo_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn, |
23 | unsigned migratetype); | ||
22 | 24 | ||
23 | /* | 25 | /* |
24 | * test all pages in [start_pfn, end_pfn)are isolated or not. | 26 | * Test all pages in [start_pfn, end_pfn) are isolated or not. |
25 | */ | 27 | */ |
26 | extern int | 28 | int test_pages_isolated(unsigned long start_pfn, unsigned long end_pfn); |
27 | test_pages_isolated(unsigned long start_pfn, unsigned long end_pfn); | ||
28 | 29 | ||
29 | /* | 30 | /* |
30 | * Internal funcs.Changes pageblock's migrate type. | 31 | * Internal functions. Changes pageblock's migrate type. |
31 | * Please use make_pagetype_isolated()/make_pagetype_movable(). | ||
32 | */ | 32 | */ |
33 | extern int set_migratetype_isolate(struct page *page); | 33 | extern int set_migratetype_isolate(struct page *page); |
34 | extern void unset_migratetype_isolate(struct page *page); | 34 | extern void unset_migratetype_isolate(struct page *page, unsigned migratetype); |
35 | 35 | ||
36 | 36 | ||
37 | #endif | 37 | #endif |