blob: 4ac34392823a9c74321e18096db07d8bba682aea (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __LINUX_PAGEISOLATION_H
#define __LINUX_PAGEISOLATION_H
#ifdef CONFIG_MEMORY_ISOLATION
static inline bool has_isolate_pageblock(struct zone *zone)
{
return zone->nr_isolate_pageblock;
}
static inline bool is_migrate_isolate_page(struct page *page)
{
return get_pageblock_migratetype(page) == MIGRATE_ISOLATE;
}
static inline bool is_migrate_isolate(int migratetype)
{
return migratetype == MIGRATE_ISOLATE;
}
#else
static inline bool has_isolate_pageblock(struct zone *zone)
{
return false;
}
static inline bool is_migrate_isolate_page(struct page *page)
{
return false;
}
static inline bool is_migrate_isolate(int migratetype)
{
return false;
}
#endif
#define MEMORY_OFFLINE 0x1
#define REPORT_FAILURE 0x2
void set_pageblock_migratetype(struct page *page, int migratetype);
int move_freepages_block(struct zone *zone, struct page *page,
int migratetype, int *num_movable);
int start_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn,
int migratetype, int flags, gfp_t gfp_flags);
void undo_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn,
int migratetype);
int test_pages_isolated(unsigned long start_pfn, unsigned long end_pfn,
int isol_flags);
#endif
|
