Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef __LINUX_PAGEISOLATION_H
3#define __LINUX_PAGEISOLATION_H
4
5#ifdef CONFIG_MEMORY_ISOLATION
6static inline bool is_migrate_isolate_page(struct page *page)
7{
8 return get_pageblock_migratetype(page) == MIGRATE_ISOLATE;
9}
10static inline bool is_migrate_isolate(int migratetype)
11{
12 return migratetype == MIGRATE_ISOLATE;
13}
14#else
15static inline bool is_migrate_isolate_page(struct page *page)
16{
17 return false;
18}
19static inline bool is_migrate_isolate(int migratetype)
20{
21 return false;
22}
23#endif
24
25#define MEMORY_OFFLINE 0x1
26#define REPORT_FAILURE 0x2
27
28void set_pageblock_migratetype(struct page *page, int migratetype);
29
30bool move_freepages_block_isolate(struct zone *zone, struct page *page,
31 int migratetype);
32
33int start_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn,
34 int migratetype, int flags, gfp_t gfp_flags);
35
36void undo_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn,
37 int migratetype);
38
39int test_pages_isolated(unsigned long start_pfn, unsigned long end_pfn,
40 int isol_flags);
41#endif