diff options
Diffstat (limited to 'mm/internal.h')
| -rw-r--r-- | mm/internal.h | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/mm/internal.h b/mm/internal.h index 36b23f1e2ca6..d4b807d6c963 100644 --- a/mm/internal.h +++ b/mm/internal.h @@ -182,6 +182,7 @@ struct compact_control { unsigned long nr_migratepages; /* Number of pages to migrate */ unsigned long free_pfn; /* isolate_freepages search base */ unsigned long migrate_pfn; /* isolate_migratepages search base */ + unsigned long last_migrated_pfn;/* Not yet flushed page being freed */ enum migrate_mode mode; /* Async or sync migration mode */ bool ignore_skip_hint; /* Scan blocks even if marked skip */ int order; /* order a direct compactor needs */ @@ -270,20 +271,19 @@ extern unsigned int munlock_vma_page(struct page *page); extern void clear_page_mlock(struct page *page); /* - * mlock_migrate_page - called only from migrate_page_copy() to - * migrate the Mlocked page flag; update statistics. + * mlock_migrate_page - called only from migrate_misplaced_transhuge_page() + * (because that does not go through the full procedure of migration ptes): + * to migrate the Mlocked page flag; update statistics. */ static inline void mlock_migrate_page(struct page *newpage, struct page *page) { if (TestClearPageMlocked(page)) { - unsigned long flags; int nr_pages = hpage_nr_pages(page); - local_irq_save(flags); + /* Holding pmd lock, no change in irq context: __mod is safe */ __mod_zone_page_state(page_zone(page), NR_MLOCK, -nr_pages); SetPageMlocked(newpage); __mod_zone_page_state(page_zone(newpage), NR_MLOCK, nr_pages); - local_irq_restore(flags); } } @@ -426,4 +426,19 @@ unsigned long reclaim_clean_pages_from_list(struct zone *zone, #define ALLOC_CMA 0x80 /* allow allocations from CMA areas */ #define ALLOC_FAIR 0x100 /* fair zone allocation */ +enum ttu_flags; +struct tlbflush_unmap_batch; + +#ifdef CONFIG_ARCH_WANT_BATCHED_UNMAP_TLB_FLUSH +void try_to_unmap_flush(void); +void try_to_unmap_flush_dirty(void); +#else +static inline void try_to_unmap_flush(void) +{ +} +static inline void try_to_unmap_flush_dirty(void) +{ +} + +#endif /* CONFIG_ARCH_WANT_BATCHED_UNMAP_TLB_FLUSH */ #endif /* __MM_INTERNAL_H */ |