diff options
Diffstat (limited to 'include/linux/mm.h')
| -rw-r--r-- | include/linux/mm.h | 76 |
1 files changed, 70 insertions, 6 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index fa0680402738..66e2f7c61e5c 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -455,7 +455,6 @@ void put_pages_list(struct list_head *pages); void split_page(struct page *page, unsigned int order); int split_free_page(struct page *page); -int capture_free_page(struct page *page, int alloc_order, int migratetype); /* * Compound pages have a destructor function. Provide a @@ -693,6 +692,36 @@ static inline int page_to_nid(const struct page *page) } #endif +#ifdef CONFIG_NUMA_BALANCING +static inline int page_xchg_last_nid(struct page *page, int nid) +{ + return xchg(&page->_last_nid, nid); +} + +static inline int page_last_nid(struct page *page) +{ + return page->_last_nid; +} +static inline void reset_page_last_nid(struct page *page) +{ + page->_last_nid = -1; +} +#else +static inline int page_xchg_last_nid(struct page *page, int nid) +{ + return page_to_nid(page); +} + +static inline int page_last_nid(struct page *page) +{ + return page_to_nid(page); +} + +static inline void reset_page_last_nid(struct page *page) +{ +} +#endif + static inline struct zone *page_zone(const struct page *page) { return &NODE_DATA(page_to_nid(page))->node_zones[page_zonenum(page)]; @@ -977,7 +1006,6 @@ static inline void unmap_shared_mapping_range(struct address_space *mapping, extern void truncate_pagecache(struct inode *inode, loff_t old, loff_t new); extern void truncate_setsize(struct inode *inode, loff_t newsize); -extern int vmtruncate(struct inode *inode, loff_t offset); void truncate_pagecache_range(struct inode *inode, loff_t offset, loff_t end); int truncate_inode_page(struct address_space *mapping, struct page *page); int generic_error_remove_page(struct address_space *mapping, struct page *page); @@ -1078,6 +1106,9 @@ extern unsigned long move_page_tables(struct vm_area_struct *vma, extern unsigned long do_mremap(unsigned long addr, unsigned long old_len, unsigned long new_len, unsigned long flags, unsigned long new_addr); +extern unsigned long change_protection(struct vm_area_struct *vma, unsigned long start, + unsigned long end, pgprot_t newprot, + int dirty_accountable, int prot_numa); extern int mprotect_fixup(struct vm_area_struct *vma, struct vm_area_struct **pprev, unsigned long start, unsigned long end, unsigned long newflags); @@ -1456,6 +1487,37 @@ extern unsigned long vm_mmap(struct file *, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long); +struct vm_unmapped_area_info { +#define VM_UNMAPPED_AREA_TOPDOWN 1 + unsigned long flags; + unsigned long length; + unsigned long low_limit; + unsigned long high_limit; + unsigned long align_mask; + unsigned long align_offset; +}; + +extern unsigned long unmapped_area(struct vm_unmapped_area_info *info); +extern unsigned long unmapped_area_topdown(struct vm_unmapped_area_info *info); + +/* + * Search for an unmapped address range. + * + * We are looking for a range that: + * - does not intersect with any VMA; + * - is contained within the [low_limit, high_limit) interval; + * - is at least the desired size. + * - satisfies (begin_addr & align_mask) == (align_offset & align_mask) + */ +static inline unsigned long +vm_unmapped_area(struct vm_unmapped_area_info *info) +{ + if (!(info->flags & VM_UNMAPPED_AREA_TOPDOWN)) + return unmapped_area(info); + else + return unmapped_area_topdown(info); +} + /* truncate.c */ extern void truncate_inode_pages(struct address_space *, loff_t); extern void truncate_inode_pages_range(struct address_space *, @@ -1548,6 +1610,11 @@ static inline pgprot_t vm_get_page_prot(unsigned long vm_flags) } #endif +#ifdef CONFIG_ARCH_USES_NUMA_PROT_NONE +unsigned long change_prot_numa(struct vm_area_struct *vma, + unsigned long start, unsigned long end); +#endif + struct vm_area_struct *find_extend_vma(struct mm_struct *, unsigned long addr); int remap_pfn_range(struct vm_area_struct *, unsigned long addr, unsigned long pfn, unsigned long size, pgprot_t); @@ -1569,6 +1636,7 @@ struct page *follow_page(struct vm_area_struct *, unsigned long address, #define FOLL_MLOCK 0x40 /* mark page as mlocked */ #define FOLL_SPLIT 0x80 /* don't return transhuge pages, split them */ #define FOLL_HWPOISON 0x100 /* check page is hwpoisoned */ +#define FOLL_NUMA 0x200 /* force NUMA hinting page fault */ typedef int (*pte_fn_t)(pte_t *pte, pgtable_t token, unsigned long addr, void *data); @@ -1684,9 +1752,5 @@ static inline unsigned int debug_guardpage_minorder(void) { return 0; } static inline bool page_is_guard(struct page *page) { return false; } #endif /* CONFIG_DEBUG_PAGEALLOC */ -extern void reset_zone_present_pages(void); -extern void fixup_zone_present_pages(int nid, unsigned long start_pfn, - unsigned long end_pfn); - #endif /* __KERNEL__ */ #endif /* _LINUX_MM_H */ |