diff options
Diffstat (limited to 'mm/internal.h')
| -rw-r--r-- | mm/internal.h | 73 |
1 files changed, 65 insertions, 8 deletions
diff --git a/mm/internal.h b/mm/internal.h index 7920a8b7982e..68410c6d97ac 100644 --- a/mm/internal.h +++ b/mm/internal.h @@ -105,7 +105,7 @@ void folio_activate(struct folio *folio); void free_pgtables(struct mmu_gather *tlb, struct maple_tree *mt, struct vm_area_struct *start_vma, unsigned long floor, - unsigned long ceiling); + unsigned long ceiling, bool mm_wr_locked); void pmd_install(struct mm_struct *mm, pmd_t *pmd, pgtable_t *pte); struct zap_details; @@ -201,6 +201,17 @@ pmd_t *mm_find_pmd(struct mm_struct *mm, unsigned long address); /* * in mm/page_alloc.c */ +#define K(x) ((x) << (PAGE_SHIFT-10)) + +extern char * const zone_names[MAX_NR_ZONES]; + +/* perform sanity checks on struct pages being allocated or freed */ +DECLARE_STATIC_KEY_MAYBE(CONFIG_DEBUG_VM, check_pages_enabled); + +static inline bool is_check_pages_enabled(void) +{ + return static_branch_unlikely(&check_pages_enabled); +} /* * Structure for holding the mostly immutable allocation parameters passed @@ -366,7 +377,29 @@ extern void __putback_isolated_page(struct page *page, unsigned int order, extern void memblock_free_pages(struct page *page, unsigned long pfn, unsigned int order); extern void __free_pages_core(struct page *page, unsigned int order); + +static inline void prep_compound_head(struct page *page, unsigned int order) +{ + struct folio *folio = (struct folio *)page; + + set_compound_page_dtor(page, COMPOUND_PAGE_DTOR); + set_compound_order(page, order); + atomic_set(&folio->_entire_mapcount, -1); + atomic_set(&folio->_nr_pages_mapped, 0); + atomic_set(&folio->_pincount, 0); +} + +static inline void prep_compound_tail(struct page *head, int tail_idx) +{ + struct page *p = head + tail_idx; + + p->mapping = TAIL_MAPPING; + set_compound_head(p, head); + set_page_private(p, 0); +} + extern void prep_compound_page(struct page *page, unsigned int order); + extern void post_alloc_hook(struct page *page, unsigned int order, gfp_t gfp_flags); extern int user_min_free_kbytes; @@ -377,6 +410,7 @@ extern void free_unref_page_list(struct list_head *list); extern void zone_pcp_reset(struct zone *zone); extern void zone_pcp_disable(struct zone *zone); extern void zone_pcp_enable(struct zone *zone); +extern void zone_pcp_init(struct zone *zone); extern void *memmap_alloc(phys_addr_t size, phys_addr_t align, phys_addr_t min_addr, @@ -474,10 +508,20 @@ isolate_migratepages_range(struct compact_control *cc, int __alloc_contig_migrate_range(struct compact_control *cc, unsigned long start, unsigned long end); -#endif + +/* Free whole pageblock and set its migration type to MIGRATE_CMA. */ +void init_cma_reserved_pageblock(struct page *page); + +#endif /* CONFIG_COMPACTION || CONFIG_CMA */ + int find_suitable_fallback(struct free_area *area, unsigned int order, int migratetype, bool only_stealable, bool *can_steal); +static inline bool free_area_empty(struct free_area *area, int migratetype) +{ + return list_empty(&area->free_list[migratetype]); +} + /* * These three helpers classifies VMAs for virtual memory accounting. */ @@ -658,6 +702,12 @@ static inline void vunmap_range_noflush(unsigned long start, unsigned long end) #endif /* !CONFIG_MMU */ /* Memory initialisation debug and verification */ +#ifdef CONFIG_DEFERRED_STRUCT_PAGE_INIT +DECLARE_STATIC_KEY_TRUE(deferred_pages); + +bool __init deferred_grow_zone(struct zone *zone, unsigned int order); +#endif /* CONFIG_DEFERRED_STRUCT_PAGE_INIT */ + enum mminit_level { MMINIT_WARNING, MMINIT_VERIFY, @@ -733,8 +783,9 @@ extern unsigned long __must_check vm_mmap_pgoff(struct file *, unsigned long, unsigned long, unsigned long); extern void set_pageblock_order(void); +unsigned long reclaim_pages(struct list_head *folio_list); unsigned int reclaim_clean_pages_from_list(struct zone *zone, - struct list_head *page_list); + struct list_head *folio_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 @@ -802,6 +853,7 @@ static inline void flush_tlb_batched_pending(struct mm_struct *mm) #endif /* CONFIG_ARCH_WANT_BATCHED_UNMAP_TLB_FLUSH */ extern const struct trace_print_flags pageflag_names[]; +extern const struct trace_print_flags pagetype_names[]; extern const struct trace_print_flags vmaflag_names[]; extern const struct trace_print_flags gfpflag_names[]; @@ -833,20 +885,25 @@ size_t splice_folio_into_pipe(struct pipe_inode_info *pipe, * mm/vmalloc.c */ #ifdef CONFIG_MMU -int vmap_pages_range_noflush(unsigned long addr, unsigned long end, +void __init vmalloc_init(void); +int __must_check vmap_pages_range_noflush(unsigned long addr, unsigned long end, pgprot_t prot, struct page **pages, unsigned int page_shift); #else +static inline void vmalloc_init(void) +{ +} + static inline -int vmap_pages_range_noflush(unsigned long addr, unsigned long end, +int __must_check vmap_pages_range_noflush(unsigned long addr, unsigned long end, pgprot_t prot, struct page **pages, unsigned int page_shift) { return -EINVAL; } #endif -int __vmap_pages_range_noflush(unsigned long addr, unsigned long end, - pgprot_t prot, struct page **pages, - unsigned int page_shift); +int __must_check __vmap_pages_range_noflush(unsigned long addr, + unsigned long end, pgprot_t prot, + struct page **pages, unsigned int page_shift); void vunmap_range_noflush(unsigned long start, unsigned long end); 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