Contributors: 8
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| MinChan Kim |
133 |
55.19% |
4 |
33.33% |
| Kamezawa Hiroyuki |
45 |
18.67% |
1 |
8.33% |
| JoonSoo Kim |
32 |
13.28% |
1 |
8.33% |
| Michal Hocko |
16 |
6.64% |
2 |
16.67% |
| Michal Nazarewicz |
7 |
2.90% |
1 |
8.33% |
| Wen Congyang |
5 |
2.07% |
1 |
8.33% |
| Vlastimil Babka |
2 |
0.83% |
1 |
8.33% |
| Greg Kroah-Hartman |
1 |
0.41% |
1 |
8.33% |
| Total |
241 |
|
12 |
|
/* 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 SKIP_HWPOISON 0x1
#define REPORT_FAILURE 0x2
bool has_unmovable_pages(struct zone *zone, struct page *page, int count,
int migratetype, int flags);
void set_pageblock_migratetype(struct page *page, int migratetype);
int move_freepages_block(struct zone *zone, struct page *page,
int migratetype, int *num_movable);
/*
* Changes migrate type in [start_pfn, end_pfn) to be MIGRATE_ISOLATE.
* If specified range includes migrate types other than MOVABLE or CMA,
* this will fail with -EBUSY.
*
* For isolating all pages in the range finally, the caller have to
* free all pages in the range. test_page_isolated() can be used for
* test it.
*
* The following flags are allowed (they can be combined in a bit mask)
* SKIP_HWPOISON - ignore hwpoison pages
* REPORT_FAILURE - report details about the failure to isolate the range
*/
int
start_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn,
unsigned migratetype, int flags);
/*
* Changes MIGRATE_ISOLATE to MIGRATE_MOVABLE.
* target range is [start_pfn, end_pfn)
*/
int
undo_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn,
unsigned migratetype);
/*
* Test all pages in [start_pfn, end_pfn) are isolated or not.
*/
int test_pages_isolated(unsigned long start_pfn, unsigned long end_pfn,
bool skip_hwpoisoned_pages);
struct page *alloc_migrate_target(struct page *page, unsigned long private);
#endif