diff options
Diffstat (limited to 'mm/internal.h')
| -rw-r--r-- | mm/internal.h | 52 |
1 files changed, 32 insertions, 20 deletions
diff --git a/mm/internal.h b/mm/internal.h index b8c91b342e2..a4fa284f6bc 100644 --- a/mm/internal.h +++ b/mm/internal.h @@ -118,26 +118,27 @@ struct compact_control { unsigned long nr_freepages; /* Number of isolated free pages */ unsigned long nr_migratepages; /* Number of pages to migrate */ unsigned long free_pfn; /* isolate_freepages search base */ - unsigned long start_free_pfn; /* where we started the search */ unsigned long migrate_pfn; /* isolate_migratepages search base */ bool sync; /* Synchronous migration */ - bool wrapped; /* Order > 0 compactions are - incremental, once free_pfn - and migrate_pfn meet, we restart - from the top of the zone; - remember we wrapped around. */ + bool ignore_skip_hint; /* Scan blocks even if marked skip */ + bool finished_update_free; /* True when the zone cached pfns are + * no longer being updated + */ + bool finished_update_migrate; int order; /* order a direct compactor needs */ int migratetype; /* MOVABLE, RECLAIMABLE etc */ struct zone *zone; - bool *contended; /* True if a lock was contended */ + bool contended; /* True if a lock was contended */ + struct page **page; /* Page captured of requested size */ }; unsigned long -isolate_freepages_range(unsigned long start_pfn, unsigned long end_pfn); +isolate_freepages_range(struct compact_control *cc, + unsigned long start_pfn, unsigned long end_pfn); unsigned long isolate_migratepages_range(struct zone *zone, struct compact_control *cc, - unsigned long low_pfn, unsigned long end_pfn); + unsigned long low_pfn, unsigned long end_pfn, bool unevictable); #endif @@ -167,9 +168,8 @@ static inline void munlock_vma_pages_all(struct vm_area_struct *vma) } /* - * Called only in fault path via page_evictable() for a new page - * to determine if it's being mapped into a LOCKED vma. - * If so, mark page as mlocked. + * Called only in fault path, to determine if a new page is being + * mapped into a LOCKED vma. If it is, mark page as mlocked. */ static inline int mlocked_vma_newpage(struct vm_area_struct *vma, struct page *page) @@ -180,7 +180,8 @@ static inline int mlocked_vma_newpage(struct vm_area_struct *vma, return 0; if (!TestSetPageMlocked(page)) { - inc_zone_page_state(page, NR_MLOCK); + mod_zone_page_state(page_zone(page), NR_MLOCK, + hpage_nr_pages(page)); count_vm_event(UNEVICTABLE_PGMLOCKED); } return 1; @@ -201,12 +202,7 @@ extern void munlock_vma_page(struct page *page); * If called for a page that is still mapped by mlocked vmas, all we do * is revert to lazy LRU behaviour -- semantics are not broken. */ -extern void __clear_page_mlock(struct page *page); -static inline void clear_page_mlock(struct page *page) -{ - if (unlikely(TestClearPageMlocked(page))) - __clear_page_mlock(page); -} +extern void clear_page_mlock(struct page *page); /* * mlock_migrate_page - called only from migrate_page_copy() to @@ -340,7 +336,6 @@ static inline void mminit_validate_memmodel_limits(unsigned long *start_pfn, #define ZONE_RECLAIM_FULL -1 #define ZONE_RECLAIM_SOME 0 #define ZONE_RECLAIM_SUCCESS 1 -#endif extern int hwpoison_filter(struct page *p); @@ -356,3 +351,20 @@ extern unsigned long vm_mmap_pgoff(struct file *, unsigned long, unsigned long, unsigned long); extern void set_pageblock_order(void); +unsigned long reclaim_clean_pages_from_list(struct zone *zone, + struct list_head *page_list); +/* The ALLOC_WMARK bits are used as an index to zone->watermark */ +#define ALLOC_WMARK_MIN WMARK_MIN +#define ALLOC_WMARK_LOW WMARK_LOW +#define ALLOC_WMARK_HIGH WMARK_HIGH +#define ALLOC_NO_WATERMARKS 0x04 /* don't check watermarks at all */ + +/* Mask to get the watermark bits */ +#define ALLOC_WMARK_MASK (ALLOC_NO_WATERMARKS-1) + +#define ALLOC_HARDER 0x10 /* try to alloc harder */ +#define ALLOC_HIGH 0x20 /* __GFP_HIGH set */ +#define ALLOC_CPUSET 0x40 /* check for correct cpuset */ +#define ALLOC_CMA 0x80 /* allow allocations from CMA areas */ + +#endif /* __MM_INTERNAL_H */ |