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Dir : ~/usr/src/linux-headers-6.11.0-29/include/linux/

View File Name : page-isolation.h

/* 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);

bool move_freepages_block_isolate(struct zone *zone, struct page *page,
				  int migratetype);

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