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-rw-r--r--include/linux/page-isolation.h18
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 */
13extern int 13extern int
14start_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn); 14start_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 */
20extern int 21extern int
21undo_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn); 22undo_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 */
26extern int 28int test_pages_isolated(unsigned long start_pfn, unsigned long end_pfn);
27test_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 */
33extern int set_migratetype_isolate(struct page *page); 33extern int set_migratetype_isolate(struct page *page);
34extern void unset_migratetype_isolate(struct page *page); 34extern void unset_migratetype_isolate(struct page *page, unsigned migratetype);
35 35
36 36
37#endif 37#endif