~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

TOMOYO Linux Cross Reference
Linux/include/linux/page-isolation.h

Version: ~ [ linux-5.3-rc5 ] ~ [ linux-5.2.9 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.67 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.139 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.189 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.189 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.19.8 ] ~ [ linux-3.18.140 ] ~ [ linux-3.17.8 ] ~ [ linux-3.16.72 ] ~ [ linux-3.15.10 ] ~ [ linux-3.14.79 ] ~ [ linux-3.13.11 ] ~ [ linux-3.12.74 ] ~ [ linux-3.11.10 ] ~ [ linux-3.10.108 ] ~ [ linux-3.9.11 ] ~ [ linux-3.8.13 ] ~ [ linux-3.7.10 ] ~ [ linux-3.6.11 ] ~ [ linux-3.5.7 ] ~ [ linux-3.4.113 ] ~ [ linux-3.3.8 ] ~ [ linux-3.2.102 ] ~ [ linux-3.1.10 ] ~ [ linux-3.0.101 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.5 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  1 #ifndef __LINUX_PAGEISOLATION_H
  2 #define __LINUX_PAGEISOLATION_H
  3 
  4 #ifdef CONFIG_MEMORY_ISOLATION
  5 static inline bool has_isolate_pageblock(struct zone *zone)
  6 {
  7         return zone->nr_isolate_pageblock;
  8 }
  9 static inline bool is_migrate_isolate_page(struct page *page)
 10 {
 11         return get_pageblock_migratetype(page) == MIGRATE_ISOLATE;
 12 }
 13 static inline bool is_migrate_isolate(int migratetype)
 14 {
 15         return migratetype == MIGRATE_ISOLATE;
 16 }
 17 #else
 18 static inline bool has_isolate_pageblock(struct zone *zone)
 19 {
 20         return false;
 21 }
 22 static inline bool is_migrate_isolate_page(struct page *page)
 23 {
 24         return false;
 25 }
 26 static inline bool is_migrate_isolate(int migratetype)
 27 {
 28         return false;
 29 }
 30 #endif
 31 
 32 bool has_unmovable_pages(struct zone *zone, struct page *page, int count,
 33                          bool skip_hwpoisoned_pages);
 34 void set_pageblock_migratetype(struct page *page, int migratetype);
 35 int move_freepages_block(struct zone *zone, struct page *page,
 36                                 int migratetype, int *num_movable);
 37 
 38 /*
 39  * Changes migrate type in [start_pfn, end_pfn) to be MIGRATE_ISOLATE.
 40  * If specified range includes migrate types other than MOVABLE or CMA,
 41  * this will fail with -EBUSY.
 42  *
 43  * For isolating all pages in the range finally, the caller have to
 44  * free all pages in the range. test_page_isolated() can be used for
 45  * test it.
 46  */
 47 int
 48 start_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn,
 49                          unsigned migratetype, bool skip_hwpoisoned_pages);
 50 
 51 /*
 52  * Changes MIGRATE_ISOLATE to MIGRATE_MOVABLE.
 53  * target range is [start_pfn, end_pfn)
 54  */
 55 int
 56 undo_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn,
 57                         unsigned migratetype);
 58 
 59 /*
 60  * Test all pages in [start_pfn, end_pfn) are isolated or not.
 61  */
 62 int test_pages_isolated(unsigned long start_pfn, unsigned long end_pfn,
 63                         bool skip_hwpoisoned_pages);
 64 
 65 struct page *alloc_migrate_target(struct page *page, unsigned long private,
 66                                 int **resultp);
 67 
 68 #endif
 69 

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | Wiki (Japanese) | Wiki (English) | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

osdn.jp