Contributors: 8
	  
        
          | Author | 
          Tokens | 
          Token Proportion | 
          Commits | 
          Commit Proportion | 
        
	  
	  
        
        
          | MinChan Kim | 
          133 | 
          57.08% | 
          4 | 
          36.36% | 
        
        
          | Kamezawa Hiroyuki | 
          45 | 
          19.31% | 
          1 | 
          9.09% | 
        
        
          | JoonSoo Kim | 
          32 | 
          13.73% | 
          1 | 
          9.09% | 
        
        
          | Wen Congyang | 
          9 | 
          3.86% | 
          1 | 
          9.09% | 
        
        
          | Michal Nazarewicz | 
          8 | 
          3.43% | 
          1 | 
          9.09% | 
        
        
          | Michal Hocko | 
          3 | 
          1.29% | 
          1 | 
          9.09% | 
        
        
          | Vlastimil Babka | 
          2 | 
          0.86% | 
          1 | 
          9.09% | 
        
        
          | Greg Kroah-Hartman | 
          1 | 
          0.43% | 
          1 | 
          9.09% | 
        
	  
	  
        
          | Total | 
          233 | 
           | 
          11 | 
           | 
	    
	  
    
 
/* 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
bool has_unmovable_pages(struct zone *zone, struct page *page, int count,
			 int migratetype, bool skip_hwpoisoned_pages);
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.
 */
int
start_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn,
			 unsigned migratetype, bool skip_hwpoisoned_pages);
/*
 * 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